My boyfriend and I are very open minded & sexually we like to play in the bedroom, toys role playing etc. A year ago we had a fmf threesome with a friend I used to work with, it wasn't planned and it happened very naturally. We talked about mfm, he wasn't comfortable at first but eventually, after we both agreed that like the fmf it would be purely physical, we decided to do it which leads us to now. We wanted advice from couples who have had mfm threesomes, was it someone you knew? Is that uncomfortable for 1 or both of you after? Is a stranger a better option? Using the internet? Any advice would be great.