Quoting Red Bottom:" First, I would stop acting like his mom. I'd joke about it and be like "babe, I love you, but let me ... [snip!] ... working as a team towards getting it done and it's done to your satisfaction, and no one feels like they're under-appreciated. "
I usually end up saying nothing to him or it's very passive aggresively if I do. I've posted before how our relationship isn't the best, so we don't do much together. I don't want him to feel like I don't appreciate him trying though, so that's why I don't say anything.