[metal13]

It's doable (I have a 2.5 year old and a 2 month old). But it's really all about your partner. If they're in it like you are, you can make do.

Couldn't imagine doing this with an unsupportive partner.

[AppSec]

Exactly this. This holds true of any activity, but especially those which take more time from family. It takes two to make the family unit work. But be prepared at some point to pay it back in some way shape or form.