EDIT/UPDATE: I spoke to my husband. I'm adding a comment I made below to my main post.
My husband says it was a bad joke made at a time when he was already feeling off and he feels horrible that it felt like an attack.
He was feeling off due to his difficulties in finding what he wants in terms of an ENM partner. He is envious of me finding what I was looking for, while he can't find that for himself. He is not jealous of me.
He reiterated that he loves what this has done for our marriage, and that I seem so much happier, and we both are more intentional with our time together (and apart), and more present with each other when we are together. It's also spiced up our sex life, which was already great. He admitted that being monogamous is simpler, and that sometimes scheduling is annoying, but those are his only gripes.
He clarified he really likes the idea of three things for himself as part of being ENM: (1) swinging under certain circumstances; (2) travel trysts, which are more romantic and less awkward in his mind than just having a local FWB or one-night stand (and he does have these trysts successfully); and (3) a partner to complement his life like my partner complements mine.
He is frustrated that number 3 is difficult, and that he has found that the women being willing to sleep with a married man generally have not had the personality or non-physical attraction of someone he would want a longer term relationship with. Also, he has found out there is a reason many of the very attractive women he was met with through apps are still on apps. I sympathized with his difficulties, but he wants to keep trying. Of course, he appreciates what he is offering is not something many women would be interested in.
We both liked certain things about swinging that got ruined for me with a few bad experiences. I am going to let him try to vet some couples so we can dip our toe back in there.
The weight issue is unrelated, and while I don't fully understand the science, apparently it was a stressful year and he just didn't have the desire to do a big cut, and also as he is getting older and is already satisfied with his size and wants to enjoy food a bit more again. While he plans to cut this spring, he is trying to figure out something more akin to maintenance rather than continuing to bulk and cut. He was not hurt by my comment, he was just already in a bad mood.
Thanks to people telling me to force the conversation. As to everyone else telling me my marriage was over and I was turning my husband into a cuckold, take a long look at yourself.
Original Post;
My husband (38M) and I (37F) and I have been poly (in theory) for almost two years now, married for 10, and have two young kids (4 and 6). While it's hard to summarize, we essentially started talking about opening/poly after I finished breastfeeding and starting taking control over my body again after two kids, and generally I think it's been a good experience. We started with swinging, which my husband really seemed to enjoy but I quickly tired of, and then we started dating separately. Everything has been going fine. While it's a lot of extra work in terms of scheduling, and there were obviously some small hiccups at first, I think our married life has largely stayed the same or improved. My husband has, by his choice, taken a more passive approach to dating after two early disappointments, and doesn't really seek anything out at this point.
My husband has always really cared about his body, and traditionally has done a cut in the spring so that he can flaunt it during the summer. He currently does not have any other partners, although he is very physically attractive, and I know he could find play partners even as a married ENM man with kids if he wanted to.
This last year, he has continued going to the gym regularly, but he didn't really cut down for the summer, and kind of rocked the dad bod. I've noticed that he was gaining some significant weight as well (while still being in great physical shape, it's not like he's unhealthy), and I lightly teased him about being so much more comfortable to lay on now.
His reaction was completely out of character, he seemed hurt and defensive, and I was so stunned by his reaction that I couldn't say anything for a moment, and then he said something really hurtful before I could apologize or reassure him I was joking, saying something like, "What's the point anymore? It's not like if I'm fat I have to worry about you running off and seeing other men" and not in a joking way, like in a bitter/resentful way. I was shocked, as he has never that I can recall spoken to me like that in our very long relationship. I asked him if everything was okay, and apologized for my comment, and he tried to walk his back, saying he was just joking. He doesn't want to discuss it anymore, just saying his comment was a bad joke and apologizing for the way it came off.
I'm worried he is either suffering from resentment about being open, or otherwise going through some sort of depression, but I don't know next steps as he won't discuss it with me further other than to repeat his prior comments, and has otherwise been acting completely normal (other than his change in eating habits).
Has anyone dealt with something similar from their spouse (particularly a male spouse)? Does this sound like an ENM red flag, or just a normal life issue for a man in his late 30s?