He may exhibit distant behavior, avoid expressing affection or empathy, and have difficulty communicating his feelings. 
-he is so cold towards you without reasons
-he is so cold that sometimes you just can't handle him anymore.
-he developed feelings for you but don't want to admit it,as because he is scared to love someone again.
-he cares for you even though he acts Cold towards you,but secretly care for you.
-gets annoyed when you talk to him but kind of want your attention badly.
