A: See how much he really likes you, and put him on the spot...tell him to be honest, and if he has to think for a while I would say end it but your opinion is most important hope everything works out for the best!!!
A: Maybe he just doesn't notice it, and just thinks that you are being yourself , and really has no clue, but you should tell him and make him know about the situation and than I will guarantee he will look at you differently from then on.. just my opinion.