What are signs a man has been sexually abused?

Long story short, my boyfriend (49m) has a bizarre family situation. His deceased father was convicted of messing with minors (i dont know the details) & his mother (whom he lives with) runs her house like the bates motel.

he’s always been very weird with physical affection. I’ve known him over a year, but been datingIn 7 months. He rarely kisses me… he went three months one time without kisses. And when he does kiss me, it’s usually teenage “puppy love” type of kiss, not something passionate.

The weird thing is that he insists on sharing a bed with me whenever he stays at my house (his mother doesn't even let me inside his house). But when we’re in bed together, nothing happens. he won’t try to touch my body or kiss me. At most, he lets me snuggle against him. But if my hand goes anywhere near his manhood, he freaks out. He will push my hand away, turn away from me, etc. Last night, I didn’t even get anywhere near his crotch. He was on his side facing away from me and all I did was put my arm around his stomach to kind of spoon with him and he spun around so fast. I thought he was gonna hit me in the face. Earlier in the evening, he was facing me, and I was facing him, and he kind of was hugging me, but then my hand went on his thigh, and he freaked out and turned away from me really fast.

The situation is weird and he won’t talk about it. I don’t understand the mixed messages. If he doesn’t feel comfortable being touched , then why insist on sharing a bed with me?

What are signs a man has been sexually abused?
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