We often observe in lawyers, who as Quicquid agunt homines is the matter of law suits, are sometimes obliged to pick up a temporary knowledge of an art or science, of which they understood nothing till their brief was delivered, and appear to be much masters of it.
When you have kids, it takes the focus off of you. You forget about what clothes you're wearing, or if you went to the gym. It makes you a better person if you do it right.