Should I sleep with his friend?

Before me and my boyfriend met, he and this other guy we’re friends. His friend was really cool and nice and my boyfriend was kinda rude and would laugh at me sometimes. As months past I forgot about it and I met my boyfriend. I've been doing some thinking and I remember the times he laughed at me before we dated and I want to get him back by sleeping with his friend.
Should I sleep with his friend?
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