posted by bnormal:sounds like he's been married... >>>>

LOL! You got that right. Husbands have
a way of bringing out the best in us! hehehe

Joking aside, if he just started this recently, he
might be also not be feeling well. I know that
Thyroid among other stuff, can effect a dogs personality.
I also noticed my dogs get old, they
seem to get a bit grumpier.