If you dont enjoy the sex does it mean they also dont?

this might be a bit of a stupid question and also a hard one to answer since a lot of people lie to their romantic partners about the level of sexual enjoyment but I've always wondered when i have amazing sex with someone if they also find it amazing or if they could find it terrible. and same for the opposite.

i recently started seriously dating someone and i have never liked someone this much. However for me the sex isn't enjoyable at all. He expresses to me how great it is for him but i can't help but think thats a lie when i myself find sex with him a chore.

If you dont enjoy the sex does it mean they also dont?
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