Guy im seeing telling me one thing but others another thing?

The guy I’m seeing and i have have the same group of friends for the most part. Lately they have been telling me he talks negatively about me for example they said “he said he has been trying to leave you for months now , they said he said he doesn’t really want me , they said he said he thinks i only want sex from him”

But when he’s around me he doesn’t act like that or say those things he says “i want to see you everyday, you can spend time with me whenever you want , he cuddles with me and we have sex”

So why is he telling others something different
Guy im seeing telling me one thing but others another thing?
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