Amy, here is a couple of sites I had bookmarked, it might help a little....
doggie door
Siberians

I was trying to think if Roxey had ever been like that, but I don't really think she did. I know if we go someplace new she's never been, she has to get a feel for it first, but then she's her same ol' crazy self But Huney has acted this way LOTS of times, so I know what you mean.

I hope he can get over this soon!