I am pregnant with my second child. My son is 13. His father and I are divorced; it was a bad marriage and my son was rejected by his father. Since the divorce, his father fades in and out of his ...
Pregnancy is a mystery to all men. Don't worry if he can't get excited. Let the new Dad get excited, and find age appropriate hobby or interests for your boy. He needs positive feedback too, as new big Bro.
REI has 300 stores w/ tween family classes & super eager college-age mentors.
Get your son outside w/ Mother Nature to nurture. The REI community is a low stress Co-op w/ many choices, new gear, and "UP" people ready to teach.
Once your son gets connected for his skill level, outdoor hobbies and friendships last a lifetime. He needs this now. Not to be stuck at home w/new baby full-time.