He barely talks to me anymore

So S barely talks to me anymore. thats the guy who didnt talk to me for 7 months and then started talking to me on august 31st. Welp he hasnt talked to me for a week. I texted him today and said hey all i got back was a hi. like the entire first two weeks we started talking again we talked almost every single day. we also skyped a week straight. i miss that. like i really do. i wanna know what happened. im just gonna let him come to me. i dont wanna have to bother him. i try to not get hurt but you know that shits hard to do.