This question applies to those that have been training for more than 5 years.
If you could turn back time, What would you do different with training, diet, and the time you committed to lifting.
For me I would have trained my damned calves an forearms from the start. I could always dunk, so didn't bother with them. Playing catch-up ain't fun. I also would have tried more supps. I'm aging myself but vanadyl sulfate was all the rage when I was in my heyday, never tried it though, so was OKG