I just had a dream I was fucking my best friends boyfriend?

i had this dream, there was other stuff too it but that’s kind of irrelevant, i’m more concerned over this fact. He’s also one of my closest friends... and my ex. does this mean anything?
or can i just chalk it up to a weird dream?
i’ve had people tell me dreams subconsciously tell you things and others say it’s crap!
I just had a dream I was fucking my best friends boyfriend?
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