My fiancé and I have both expressed interest in a threesome with another woman. We've never acted on the desire mostly because of my insecurities. I would have a threesome in a heartbeat if it was a one night stand but it being my future husband makes it different. I'm worried I will become insecure and wonder if I will ever be enough thereafter. My fiancé is a-ok with this and does not bring up the subject or push it upon me in any way. If anything I'm the one who brings it up more often in a playful way and frequently watch threesome porn.
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