There are sane effective cheap treatments for man boobs. Raloxifene and tamoxifen are available through India pharma for less than ten bucks.
I'm not going to waste my time or Oysters trying to dissuade him. But the rest of you who might be considering MacGuyvering yourself some old school fat dissolver, fucking don't.
Deoxycholic acid based fat dissolvers- even when professionally prepared- can cause necrosis when wrongly administered. And there's no need to Frankenstein up some shit. It's cheap enough ($5 a vial? or $6??) if you know how to shop for it, and frankly, it doesn't work quickly and is meant to be extremely targeted therapy.
What works is TIME. A four letter word, I know, but I didn't get to the weight I got to in months, it was decades. I didn't start looking hotter overnight, either. Don't rush this shit, people. You will destroy that which you seek to build.