Really great article in SI on Shalane Flanagan and the tradeoffs associated with really going for it in running. Obviously she faces this at an extreme level, but I felt a lot of the same tensions even as an amatuer.
"Someone with keen self-awareness is able to separate the acute euphoria of being fully immersed in a pursuit from the long-term consequences of doing so. It’s the Olympian who chooses to retire in time to start and raise a family; the artist who realizes that setting aside some time for life outside the studio gives rise to great works inside the studio; or the lawyer who sets a hard rule of not missing family dinners or her children’s sporting events. This type of self-awareness doesn’t come easily.
Brad and Steve's new book seems good. Has anyone read it? These guys seem to get it and come at this stuff from more than a surface-level understanding.