Should you get into a relationship with a lustful man? ⇐ General

[Guest]

I'm not a prude at all, but the man had very rich sexual experience in the past.
He is attracted to MFM, wants to see how I suck someone else (he even has an acquaintance for these matters); recently said that he wants to give a blowjob to another man, along with me.
I told him more than once that my sexual interests are much more modest, although I am not a log at all and he praises me in sex. But I’m not ready to share such fantasies.
He is family-oriented and overall a good man.
I read here that they are proud of the kind of wife he wants me to become for him. Now he is in love and maybe it still seems to him that all this is not so important. But once you try it, you won’t be able to deny yourself such things. I will be an angry wife who does not share interests. Is it better to let go and give the opportunity to find a like-minded woman? What should I do?