Maybe you could try some glucosomene for his aches and pains. Casey acted this same way with our new pup...it took 6 weeks for her to accept him, just think of a crogey older man who doesn't want to be bothered with the pesky young uns.

He looks so sweet in all the pictures I am sure he just is feeling his age...at 44 I am a whole lot less patient than I use to be.