I (f24) feel so violated by what my husband (m31) did to me.

I genuinely have no idea how to feel. Me (f24) and my husband (m31) have been married only a few months. We’ve been together for three years total though. Our relationship is really good.

Until yesterday. I don’t want to be too graphic here but basically last night, I was sleeping with a night silk dress thing on, and I was laying on my front. I’m a really heavy sleeper (like you have to shake me to wake me up) and I woke up to the feeling of my husband literally putting his… inside of me. I obviously was startled and not okay with it and i honestly don’t know why but it brought tears to my eyes. I went to the bathroom to situate myself and everything and when I came out he told me I was over reacting and that he was just “trying something new”. I told him it just wasn’t okay to do, but he said it was fine because he had “implied consent” because we had sex prior to going to sleep, and I’m his wife. I don’t understand what made him think it was okay. Because it’s not okay… right? He’s my husband, yes, and we have sex often, but I don’t know if it’s okay for him to just do that to me? I wouldn’t do that to him. I feel so weirdly violated, and I also know it’s wrong because I’m posting here and not telling my sister or best friend. I just don’t know what to do. I can’t leave my husband. Do I have to leave my husband?