I love this guy but..?? please help with mine and ill aswer yours?

So i started to text this guy for like 3 months who i met on facebook but we actually didnt meet up just texed each other all day we started liking each other over texts but we used to argue alot and near the end we had a mive arguement he said horrible things to me and i said horriable things to him. For 2 weeks we havent texed no spoken on the phone and he blocked me on fcebook, today in the morning he called me on withheld and i aswered he asked how i was and i turned the phone off on him he rang 15 minutes later and again asked how i was i asked who he was and wen he said his name I turned phone off on him again, i texted him asking why i should answer his call after all the things he said he didnt reply, so i messaged him again asking if it was actually him or his mates messing around again he didnt reply again. Then after a few hours i messaged him again saying if he wants he can call me tonight and ill answer and speak to him but nor he has replied to my texts nor called me what should i do i like him alot? i really really do love him. But he ended it with me in the first place..and why was he calling me? please help btw am 20 and hes 21