Teaching fills as much of your spare time as you allow it to. It's important to establish sensible boundaries.

Absolutely. I've found that his is particularly hard as a part-timer.

Agreed! What are yours? I do 0 work ok Friday nights and Saturdays. And what I do on Sundays has to fit in with family commitments first. I find having kids helps!

Yep. yep. I remember this feeling from my pervious life. Very much so! Not the case with software development haha, for better or for worse (mostly for the better I think)