Cool down man, the GOAT competition is a tough one.
It's mainly defined by slams. TMS fluctuate, change and disapear, so that doesn't count so much. Rafa has time, but GOAT is not about time only.
Who are in the GOAT league ?
Borg: 6 RG, 5 Wimbledons
Well, let Rafa win 6 RG, he'll be busy with that, then we'll see about the Wimby's...
Laver: 11 slams, 2 Grand Slams, including one open era GS.
The Grand Slam is the Holly Grail of men's tennis. Rafa doing the Grand Slam is almost impossible given his clay orientation, he would need a hell of an adaptation to do well on grass, difficult to do a great clay court season in these conditions, and he needs the clay points for his ranking.
Sampras: 14 slams, 6 years as number 1. Sampras was very lucky not to get any major injury in his long and successful career. His game evolved to serve and volley, and his serve alone allowed him to preserve his body by shortening points in the second part of his career. Quite the opposite of Rafa's grinding and contorsioning type of game. Plus the 7 Wimby's set is something very prestigious Rafa can only dream of.
Federer is trying to join GOAT league and you know what ? He's dominating on hard and grass, is second on clay and has won 7 slam finals on 7.
Give Rafa some time to do something similar, but he will need a few years.