Advice ;)

So me a boy has a giant crush on my straight bestfriend. He knows I have this huge crush on him and is completely ok with it. The problem is idk whether to give up on him or try to get him to like me I think like this cuz of the things he does, so rrly like cat ears and collars so I wanted him to wear them at first it was a hard no but over time he agreed to wear them (I think he even likes the idea now) he'll also go so far just to tease me, he knows I really really like when he calls me a good boy so he always says to me out of nowhere to tease me and he bought a $30 custom shirt that says (my name) is my good boy to wear just to tease me, he also said once when he was very tired that he thought about fucking me but said he didn't think he work out. He even carries me to bed if I'm really tired. SO what do u guys think? I kinda wanna tease him back, I wonder if I could get anyway with a cheek kiss ;)