Why won’t he talk about sex with me? all he says he wants to do is cuddle?

I want to know if he finds me sexually attractive but he just says I’m beautiful and he wants to cuddle that’s it and I said I want to go on vacation and he’s like ya we can go together but I don’t even think sex is on his mind at all. He’s 25 by the way
Why won’t he talk about sex with me? all he says he wants to do is cuddle?
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