Boyfriend frustrated when I stop - painful sex

My boyfriend and I have sex every time we see each other. We go to different schools so the number is about 1-3 times a week. Recently, I've been having to stop during sex because it burns too much and I just get dried out. He goes really fast sometimes and the lube is all gone, and even when I reapply it, it still burns and hurts. Usually after he finished he's super happy and will cuddle and be super sweet to me, but just now I had to stop again because it hurt so badly and he said he was very frustrated and wouldn't talk to me and left the room. What should I do? I get super turned on during foreplay and getting wet isn't a problem, it's just that for him to be happy he needs to finish and for him to finish he has to go super fast/hard, which dries me out and ends up hurting me. What do I do right now lol he's in the bathroom