Boys and girls, please share your MFF experience if you've ever done this before. Is this a good idea or a bad?

My partner and I are thinking of MFF and we have never done this before. My partner has said that if someone has done this before and they have a good experience then we will try.
please share your experience.
Boys and girls, please share your MFF experience if you've ever done this before. Is this a good idea or a bad?
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