If you can’t do anything about it, why are you worrying about it?

[This is part one of a series reevaluating some propositions that I perceived as crucial and important in my early thirties.] Proposition: I can­not con­trol peo­ple or sit­u­a­tions, only my responses and reac­tions to them. I have noth­ing to lever­age for my own hap­pi­ness except my own attitude. Since writing the above paragraph in 2010, …