Self-affirmation promotes physical activity

https://pubmed.ncbi.nlm.nih.gov/24686957/

Self-affirmations provide a broader perspective on self-threat

https://pubmed.ncbi.nlm.nih.gov/25319717/

Making health habitual: the psychology of ‘habit-formation’ and general practice

https://pmc.ncbi.nlm.nih.gov/articles/PMC3505409/#:~:text=Decades%20of%20psychological%20research%20consistently,(that%20is%2C%20habitually).

The 4 Stoic Sins

https://einzelganger.co/the-4-stoic-sins/

Self-affirmation activates brain systems associated with self-related processing and reward and is reinforced by future orientation

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4814782/

Digital Behavior Change Intervention Designs for Habit Formation: Systematic Review

https://pmc.ncbi.nlm.nih.gov/articles/PMC11161714/#:~:text=Results,based%20cues%2C%20and%20virtual%20rewards.