Older fatherhood isnt all bad: testosterone rates drop about 1% per year as men age, making them less reactive and more patient, and a professionally established middle-aged man is likely to have more time and money to devote to his kids than a twenty-something whos just getting started. – Jeffrey Kluger
Theres a sort of sibling moratorium when youre establishing yourself as an adult. So much of your energy has to be focused on other things like work and kids. But when people become more settled, siblings tend to regroup because now youre building a new extended family. – Jeffrey Kluger

