I agree with the others on newborns!! Jenna was at the netball and footy games at 5days old!! At 3 weeks old she would sleep in the arms of anyone at the netball, which left me free to coach the game and watch the others play!!
As for stuff while you are pregnant - unless you have a medical condition which restricts it, there is nothing to stop you getting out and about now too!! Why stay at home by yourself on a Friday or Saturday night if he is going out?? Make sure you are getting plenty of stimulation from others too - otherwise you might go mad!! Join a club, go to shows, make a quilt or start scrapping?? Anything to make sure you have a life too.
As for hubby - well its a bit of an adjustment for us all, it may take some time but he'll get there in the end.
Best wishes,
Fi