I have been with my fiance for almost a year now. We have plans on getting married later this year. Well our biggest argument is sex. I am a mother of 3 kids, I work, workout, and do for whatever and whomever in my family meaning my kids, and guy. He gets so upset that I am not really affectionate. I really never have been I love him and yes I adore my kids but I was brought up with little affection. I hug and kiss him and my children but a few days ago we had a really big fight over sex again and now I am cheating on him? I told him that is in his head because I don't have the energy or time to do that. So what can I do is there anything I can do or any advice would be great. I feel lost and just wow'ed by this whole thing. I do everything for this man.