Y did he do that?

So my boyfriend and I have been dating for the past year and we haven't done anything besides kissing. He said he wanted to go a bit further but we wouldn't have sex so I agreed. While we were fooling at his place he tried to put it in. He only stopped after I repeatedly told him too and started screaming and crying. When we were cuddling after he said if I just had let it happened it would only hurt for a second and I wouldn't feel anything next time and I would have thanked him for it. I got up and locked myself in the bathroom until he agreed to bring me home. When I got home I was bleeding so he lied when he said I wasn't. I haven't spoken to him in the last few days even though he's been calling and messaging me none stop.

Y did he do that?
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