If he cared about you, he would let you know. When you have a place in someone’s heart, they will make sure you know it. It is not your job to play detective and try to figure out how he feels or what he wants. If he does not make himself clear to you, if he does not make sure you know that he cares, then he does not care; period. And, more importantly, a careless boy like this does not deserve a girl with a heart like yours.