What the frickin hell is his problem? It is actually driving me crazy!!!!?

My bf is totally ignoring me, theres no reason why he would and on the rare occasion that he did eventually respond he said our relationship was fine and that it wasnt that. He gives me crappy excuses of being on a busy schedule but it takes 2 minutes to send a text right?! Now he doesnt have the respect even to answer me whether its text, email or phone calls. Some of his previous responses seem like he isnt done with our relationship yet he isnt fighting to be in it (definitely mixed signals) I think its safe to say im done. Why is he acting like this?i this has been going on for around 2 weeks