I wish him the best too.
But realistically, if you're (a male) and not at least fargo 650 after 5+ years of daily practice it usually means your don't, and won't ever, have the
natural ability- both mentally and physically- to reach say fargo 720 even.
Thousands of people practice pool daily but, in the end,
natural ability is what plateaus 99% of those players at a non-pro level. And all the practice in the world won't help, they've hit their
natural limit.
True outliers are extremely rare. A very small percentage of people are just born gifted.