Changes After Weening

What good (if any) changes did you all notice when you weened? In particular, I’ve had some not so desirable issues while continuing to breastfeed (son is almost a year old) that I didn’t have before getting pregnant - chin acne, a constant BO that showering doesn’t get rid of for long, weight gain… does any of that get better after weening? I’m considering doing it soon just to try to get my body back to normal and get some weight off before we try for baby #2 in a year or so.