I agree with Barb BF, and DiMarie, they both offered some great advice, I would not give up on being his friend just yet, they might have been engrossed in their conversation and he might have just been distracted by the other person and didn't realize it was rude ignoring you. Some men are just weird about talking with other men. They get different, like they are trying to impress the other man that they're talking to.

Hang in there BF.