My suggestion would be to walk away. Nothing shuts down insults faster then not responding at all. It says "not interested". I mean, if you have to say anything at all "not interested" works too.
I just read back through your post titles, and this may be on an ongoing issue. I don't want to make a bigger deal of it than it is. I think a lot of people reach out when upset, so reading titles isn't necessarily indicative of someone's everyday experience. If you and your hubby are in a situation where he regularly insults you though, and you feel helpless/upset about it all the time, the first step I would suggest is just walking away when he does.
As for the stuff, I can somewhat relate. I am very sentimental and kept a lot of the kiddos' younger year's stuff - intending to make scrapbooks, and I don't know what else. Then it kind of builds up. Definitely not a hoarder (it's all in one closet), but I feel dread now when I open the door to that closet. I can see how if it's around your home, or in a basement, or wherever .. how it weighs you down. It's a horrible feeling.
What I would do, is take a laundry basket and fill it every day or so (or week - whatever you can manage) and sort through it - as something to tick off as on a list, and just donate, or chuck. I donate as much as I can, or give to a lady who sells on commission for me. I take that money and put in a 'holiday' fund for our family. It feels really good.
I also asked the kids "Will you want this (moment) when you're forty?" and they said "no???" so I biffed it. I have photos of them with it, so no need to keep.
You're supposed to hold the thing - and if it brings you joy, keep it (but find a home) and if it causes you stress (in any way) - biff (donate, etc.). But follow through.
I get it though - it's like a job, managing a household's inventory of 'things' for a family and men do not understand this always - depending on the man. Their mother may have done it for them, and then maybe they got married and you did it for them. They may be minimalists and have no clue what goes into running things.
Just ignore his comments, and if they get bad - at a later time, say "Do you realize how those insults hurt me? Are you intending to hurt me? Because they do. I am doing my best. Please stop.". If he continues - then ... I see you've seen a counselor in the past, and saw you enjoyed talking with him. He must have been a sympathetic ear. Maybe seeing one again just to vent and get clarity would help.
I don't know the specifics of your home, but my hubby knows it's not 'my' clutter around here. If he does complain (he has on occasion because he's a minimalist and we're a busy household), I just give him a look. I will say "Would you like to tell your children to empty the dishwasher and pick up their ...?" and usually, he doesn't want to get involved in all that ..
Men don't always realize what's involved with house-running. So you can just say "You have no idea what is involved in running a home. Keep your opinions to yourself. I don't want to hear them.". He's not your boss remember. (if really bad, then obviously that's another issue).
Good luck :) Keep us posted.
ETA: Wild Woman - lol this "Give it to him and tell HIM to deal with his SH*T."
Great responses this morning Moms!
I really like nynewnickname's "Feel free to tackle that job anytime".
The thing is .. as others have pointed out, even if you are home full time, they can help out when home. My husband does when he's home. Diane makes good points too. You don't want to get into insulting each other - long term that's not helpful obviously.