Too much of a good thing? Exploring the inverted-U relationship between self-control and happiness.
Wiese CW, Tay L, Duckworth AL, D'Mello S, Kuykendall L, Hofmann W, Baumeister RF, Vohs KD. Too much of a good thing? Exploring the inverted-U relationship between self-control and happiness. J Pers. 2018 06; 86(3):380-396.