Choisir l'optimisme: Comment être heureux par mauvais temps (L'esprit d'ouverture)

I'm curious about the research or personal experiences that led to highlighting these specific factors as crucial for success and well-being.

The strategies vary in how easily they can be applied daily — which ones have others found most effective or challenging to implement?

Knowing more about the author's journey might shed light on why these ideas resonated now and how they evolved during writing.