<human>: Me and my boyfriend have had a few issues due to stress but nothing major. I'm in my Masters year and he graduated a few years ago so it's two different lives which are sometimes hard to work together. A couple of months ago he didn't know if he wanted to be with me, I thought it was down to this, after days of me saying you need to think, what more do you want, I can't make you love me but I need an answer etc (baring in mind we live together and I had to see him which broke my heart every day). It came down to him wanting a more exciting sex life with threesomes and sex parties. This hurt quite a bit. We have sex most days and do experiment so it isn't boring. I can see how sleeping with the same person might be a bit bland for the odd week or so but i'd never question a relationship for it. 

So in bed he discusses if we were to have another women here I play along and talk. I find women attractive and would consider it one day but I definitely do not want one with my partner I would be too jealous. 

I feel sometimes I should just do it it's just sex right? I don't want him to get more and more bored he says it something he can't turn off. But I 1) Don't think I could do it with a girl, totally not ready and 2) Don't want to see him with anyone else. He said he'd be fine seeing me with someone else so doesn't really get where I am coming from. I think I might one day lose him due to this because he seems more and more distant and bothered when I say I don't think it'll happen. 

Should I just try it? Where do you even start? How does it even work?

Can you condense the text into a few key points?
<bot>: I discuss threesomes with my boyfriend in bed but actually doing it I told him I don't think I could. He nearly ended the relationship because of this, Should I just have the threesome?