*Updated* My man isn’t attracted to me anymore

So this is me, in my opinion I’m not an unattractive person. I’ve been with my fiancé for 2 years now. He’s always been obsessed with me, up until we moved in together a few months ago and now he acts like I’m just another person if not a stranger. He never EVER compliments me or tells me I’m beautiful anymore, is no longer affectionate or touchy feely, rarely wants to get intimate. I mean I’ve just never experienced this before and I’ve been in two other serious relationships. I’ve always had a nice figure but since all of this has been happening I’ve been working out constantly and dieting and making sure my hair and makeup always looks bomb and nothing you guys. I’m worried he’s just not attracted to me anymore. I feel more like his maid than his fiancé. He even use to be eager to have kids and get married and now it’s like he doesn’t care about that either. I just don’t know what to do anymore, please give me any advice you can.

***UPDATE***

Thank you everyone for your kind words and advice!! First off I’d like to say YES I know it isn’t all about appearances but in this situation it’s the only thing I’ve been able to control. I like to look good for him and for myself. I also work in the beauty industry. I thought maybe I wasn’t working hard enough in that area.

Second, he’s not cheating. We’re together all the time and we’re not I know exactly where he is and what he’s doing. We also have each other’s passwords for everything. Yes I suppose it’s a possibility with any relationship, but he knows better lol.

And lastly, we’ve talked about it before I was pretty nonchalant about it and he would just apologize. But I finally sat him down and broke down and he had no idea how heavy this was weighing on me. He said he’s just been really stressed with work and “adulting” and that’s been his way of showing me love as well. He works very hard to provide for me and I sometimes lose sight of that. He’s also felt pressure from trying for a baby (we’ve been ttc for 8 months now) and was embarrassed because he thinks he might be sterile. I had NO idea I just thought he didn’t want that with me anymore. I feel so awful that I didn’t see these things because I was too busy worrying. Since that conversation we have been SO much better, we’ve both made more of an effort to adjust to each other’s wants and needs. Communication is definitely key!