If you were able to get one thing done for free, what would you choose to change if anything?

And if there would be minimal pain and disfigurement...

I would have my breasts reduced. They're nice and all but they're just a little bit too big, uneven, and put additional unnecessary strain on my shoulders and back. Maybe go down to a C.

Have my cock reduced it's far too large

I wanted to get my foreskin put back on