What to feel?

Hello,
I am new here. Probably you have read this kind of fI am having some very horny fantasies lately of

You will both find this an incredible experience, if your relationship is strong and your love life healthy. Otherwise you may expose yourself to difficult situations...
I would cultivate the idea in her when fucking her; tell her that you are fucking her with others, that they are groping her body, that she is sucking them while you are fucking her etc. If she comes with that kind of talk, you are near..