Gah, I don't know if chocolate is poison, or if it's just hard to digest due to being lactose tolerate. If it ate a lot, maybe you should take it to a vet. If it's just a little, then it will eventually get it out of it's system.

Well, probably the same things it would do to humans. Possibly worse. Take it to the vet right away.

IT DOES NOT HAVE RABIES! It would be drooling foam and stuff. It could just be an eye infection.

He could just be hot.

It's okay; it's really all in your mind. You're probably just scared. Unless you actually see God in a dream, it's probably not a sign.

Domestic dog? Well, I think the pitbull has the strongest jaws.

This could mean many things. She could be submitting, be scared, or sad. That's usually why my dog would put her tail between her legs...

Yes, like humans they do.