A quote from "The Argonauts" by Maggie Nelson"

[Opie says:] 'Between being a fulltime professor and an artists and a mom and a partner, it's not like I get that much time to go and explore and play [SM style]... Also, all of a sudden when you're taking care of a child, your brain doesn't easily switch to "Oh, now I'm going to hurt somebody."'

Sex may be just too time consuming. This is once again confirmed.

And does taking care of a child make us less aggressive?

If so, does taking care of an octogenarian make us less aggressive as well?