Why did he choose to spazz now?? !!!plz help(fb question)?

soo i have liked this guy for a while now... he has shown signs that he likes me( heard it from himself) but yet he acts wierd mean n just the opposite................... we have had a couple fights on fb but we were still friends on there........ then one day i accidentally removed him so i sent him a friend request but he wont add me .....then I sent him a message saying" add me:( don be soo mean... i didnt mean to call u fat before or annoy you" .... but instead he blocked me... later I decided to give him a note sayin that I removed him by accident n didnt mean to diss him or anything..........still he wont unblock or add me... wth