My boyfriend and I have been together for a long time, and since this summer I have had this idea in my head!

This September we went on a cruise vacation with a couple of friends. She has been my best friend for a long time and this summer we spent some time together the four of us. I noticed a certain chemistry between her and my boyfriend that I didn'toticed before. I saw them talking a lot and also noticed that they exchanged many glances. All this without my friend's boyfriend noticing anything. So I started to imagine if my boyfriend, her and I had a threesome. I was surprised that I was all wet thinking about this scenario. That would be amazing to watch him fucking her. Her hands on his muscles. I dreamed about him fucking us, swapping between us. I confess that I masturbated thinking about this many times until today. I am afraid to start this. But I admit that I get wet every time.