sex with another women?

Alyssa
My man and I have been together for 6 years and he has been asking me lately if I would have sex with another women and let him watch? I'm bisexual so he wants me to do this. We have been trying all kinds of different things lately and this is one he wants to do. I don't know if I would be comfortable with that. Me and him have had a lot of problems with cheating and what not and I just don't know if I could trust someone not to touch him while he watches or try to start something with him on the side. Idk how I feel about this one.. opinions?