By giving her space and not making her an issue to either of you right now.
Exactly. Play with him, do everything he likes to do. Talk to him about other things, let him know he's loved no matter what mom does (don't say it like that, of course), DON'T talk to him about mom. He's old enough to know what's going on, and insulating him a little from that will help a lot. He's also young enough that he doesn't HAVE to talk about it, you can distract him from the problems somewhat. DO IT.
We can talk ourselves into defeat or we can talk ourselves into victory - we are creatures of our thinking.
3/31/07 - Hit with a brick, leaving the dent there...