Dumas, I am like you! I don't want to find out if his intention IS to bite! I know sooner or later I will get bitten, but I am not going to encourage it.
Sonny, he doesn't pin his ears back...but I still get the feeling he wants to take a nibble, just not an all out bite, sort of like a kid who is testing the waters. I am a teacher, so I am quite familiar with this type personality! Haha!
I do let him check out grooming tools and such, he isn't interested in them as much as I think he is interested in me.
Mayfield, you hit my main concern! We are still in the initial bonding stage as I have only had him a couple of months, and I don't want to insult him UNLESS it is a dominance issue and he needs to be put in his place.
CountryGirl, he is VERY PUSHY with food (something we have been working on), so no treats it is unless they go in his grain bucket. This was info given to me from his previous owner who had him from six months to just recently when I bought him. He knows and responds to "good boy" as his reward. Under normal circumstances he is pasture boarded, so he does get to graze. He isn't hungry!!! Is it that unusual for people not to treat their horses? If so, don't tell my horse!
So much good advice!