He barley wants to have sex, all he wants to do is cuddle or wants me to rub on him.. is he not attracted to me?

When we first started dating we would have sex a lot, now it calmed down and he always says he tired , or not in the mood my sex drive is high and i don’t know if his is low , but I have no clue if that means he's cheating on me or what all he wants to do is cuddle and sleep

He barley wants to have sex, all he wants to do is cuddle or wants me to rub on him.. is he not attracted to me?
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