Author: Evgeniya Evans, MAPP, RDN, LDN, CDCES
Diabetes care often asks people to add more to their busy daily schedules: more decisions, more data, more appointments, more routines. But what if sustainable health habits aren’t primarily a test of willpower? What if we look at them as a design challenge?
As diabetes educators, we know that daily self-management doesn’t happen in a vacuum. It unfolds alongside work, caregiving, financial pressure, food access, cultural food traditions, fatigue, stress, transportation, neighborhood safety, and uneven access to care. Evidence-based recommendations matter, but they’re hard to sustain when they feel prescriptive, externally imposed, or disconnected from a person’s actual priorities. A plan that’s perfect on paper is worth little if it isn’t intrinsically motivating for the person living it.
Positive psychology and Self-Determination Theory (SDT) offer diabetes professionals a practical reframe: instead of asking people to fit more health tasks into their lives, we can help them redesign health-supportive routines to fit and even strengthen the lives they already want to live.
The goal isn’t to make people comply with a plan. It’s to help them design health-supportive routines that are chosen, possible, connected, and worth repeating.
The Limits of "Try Harder"
A person can fully understand the clinical rationale for nutrition therapy, movement, medication-taking, glucose monitoring, or stress management and still struggle to fit it into daily life. That’s not necessarily a knowledge gap or a personal failure.
When we frame the challenge as “motivation,” we risk overlooking the real-world conditions shaping what’s actually feasible. Someone may want to cook at home but face high food costs, an unpredictable schedule, caregiving demands, or limited kitchen equipment. Person-centered care means exploring these realities with curiosity, not judgment, and it’s consistent with the ADA Standards of Care in Diabetes, which dedicate an entire section to facilitating positive health behaviors and wellbeing as part of evidence-based, person-centered treatment.
Motivation is Built, Not Demanded
SDT helps explain why some health behaviors become personally owned while others stay burdensome obligations. Per foundational SDT research by Ryan and Deci (2000), sustainable, self-directed motivation depends on three psychological needs:
- Autonomy: “This choice is mine, and it fits my values.”
- Competence: “I have the skills, support, and confidence to do this.”
- Relatedness: “I feel understood, respected, and connected.”
In practice, the clinician’s role becomes more than delivering the “right” recommendation; it’s co-creating an approach the person can actually carry forward. Instead of asking, “Why aren’t you following the plan?” we might ask, “What would make this feel more workable in your life right now?”
This isn’t passive care. It’s an active, collaborative use of clinical expertise to offer meaningful choices, highlight what’s working, build skills, anticipate barriers, and strengthen support. A 2023 scoping review found SDT-informed approaches show promise for improving diabetes self-management, treatment adherence, and quality of life, but the evidence base is growing and still uneven.
PERMA-fy the Health Domain
Positive psychology adds another useful question: can a health behavior contribute to wellbeing, rather than simply compete with it?
Positive psychology founder Martin Seligman defined wellbeing not as a fleeting feeling but as a measurable combination of positive feeling and a life filled with meaning and purpose (Seligman, 2011). His PERMA model names five building blocks of flourishing: positive emotion, engagement, relationships, meaning, and accomplishment. These aren’t rewards people earn after “perfect” diabetes self-management; they can be built directly into everyday routines so those routines become more appealing and repeatable.
Movement, for instance, is clinically beneficial regardless, but the experience changes when the person chooses the time and place, walks with a loved one, or pairs it with music they enjoy. Even medication-taking shifts when it’s anchored to a meaningful daily ritual, like morning coffee with a partner, rather than treated as an isolated task.
The goal isn’t to layer all five PERMA elements onto every recommendation. It’s to identify the one or two that turn a health behavior from another “should” into something that supports the life the person wants.
From Treatment Plan to Life Design
Consider someone advised to walk after dinner. They understand the glucose benefits, but they’re exhausted after work, caring for a family member, and don’t feel safe walking alone after dark. Repeating the recommendation more firmly won’t change the routine; it’ll just add friction.
A life-design conversation starts differently: “What part of your evening already gives you even a small sense of enjoyment, connection, or calm?”
Maybe they mention a nightly call with a sibling. From there, clinician and patient can explore a short indoor walk during that call, a safe mall walk on certain days, or light movement during a favorite show. The person chooses the option. The plan reflects their real constraints and resources. Connection and enjoyment are built in. Each completed step becomes evidence of their own capability.
The clinical recommendation stays evidence-informed, but the routine becomes autonomous, feasible, connected, and life-enhancing.
Wellbeing is Part of the Mechanism
Positive psychology doesn’t replace diabetes education, medical nutrition therapy, or medication management; it’s a complementary lens for designing behavior-change conversations. A 2022 systematic review found positive psychological interventions may support behaviors like physical activity, diet, and medication adherence, though this remains an emerging, evidence-informed area rather than a settled one.
When health habits support autonomy, competence, relatedness, enjoyment, meaning, and progress, they stop being tasks on a treatment plan, and start becoming part of a life someone actually wants to live.
One Question to Try
At your next visit, pick one health recommendation and ask: “How could we make this feel like it belongs in this person’s life?”
That single question can open a different kind of clinical conversation, one that surfaces values, strengths, constraints, sources of joy, and forms of support a standard treatment plan might otherwise miss.
Evgeniya Evans, MAPP, RDN, LDN, CDCES
References and Further Readings:
- Ryan RM, Deci EL. Self-determination theory and the facilitation of intrinsic motivation, social development, and well-being. American Psychologist. 2000;55(1):68–78.
- Seligman MEP. Flourish: A Visionary New Understanding of Happiness and Well-being. Free Press; 2011.
- Feig EH, Madva EN, Millstein RA, et al. Can positive psychological interventions improve health behaviors? A systematic review. Preventive Medicine. 2022;163:107214.
- Sarfo JO, Obeng P, Kyereh HK, Ansah EW, Attafuah PYA. Self-Determination Theory and Quality of Life of Adults with Diabetes: A Scoping Review. Journal of Diabetes Research. 2023;2023:5341656.
- American Diabetes Association Professional Practice Committee. 5. Facilitating Positive Health Behaviors and Well-being to Improve Health Outcomes: Standards of Care in Diabetes—2026. Diabetes Care. 2026;49(Suppl 1):S89.
Want to Learn More about this Blog?
Join Evgeniya on Sept. 14th for From Compliance to Connection
Excited to dive deeper? Join Evgeniya Evans, MAPP, RDN, LDN, CDCES, on September 14, 2026, for From Compliance to Connection: Positive Psychology Strategies for Lasting Change in Diabetes Care, a live session exploring how to integrate SDT and PERMA into person-centered diabetes education, with practical strategies for helping people redesign health habits that are both clinically supportive and personally sustainable.
Course Topics:
- Understanding PERMA and its relevance to sustainable health behaviors in diabetes
- Connecting PERMA with Self-Determination Theory to deepen motivation and self-management
- Applying PERMA-based strategies and questions in everyday diabetes education and coaching.
