[Faboosh]

If he's having seperation anxiety, why not try a thundershirt? I've never used one before, but it says it's used for that- maybe it'd help? I'd also try the pee grass. Billi *hated* pee pads, but she uses her potty patch wonderfully! Also put his pad/patch on the opposite end of the bathroom, away from his bed and I'm sure you've got lots of toys in there.

Also, I don't know what others think of this, but what about a small tv/radio? If it's anxiety, maybe it'd help him deal while he's growing? Hope things work out for you & him and that this is just a growing pain!