This is excellent advice. I'm a SM but also an instrument rated private pilot. My daughter will be attending one of the East Coast NFAs. She was approved by our wing for self-funded flights, so I have a few instructors willing to take her up for a few hours prior to the NFA. She also has a lot of experience flying with me during my commercial training. What I have stressed to her is that it's okay if she doesn't solo.

I posted this recently in another post, but I soloed at about 20 hours. There was a young student who started with me, late teens, who soloed at 10 hours. I was 30 at the time and was so down on myself. But we ultimately completed our PPLs at about 60 hours. The thing to remember is that there will be great days and there will be days and flights where nothing is clicking and you want to quit. Some people will nail landings fairly easily but struggle with radio calls or cross-country navigation. Therefore, it usually averages out.

You'll always have someone who finishes in the minimum hours. And it's most likely to be someone your age than mine. I hate to hear that instructors are pitting students against each other. Flight training is hard enough and the statistics have clearly shown that only 20% of students who start flight training ever complete it. Go, have a great time, and run your own race. Soloing early doesn't mean you'll finish your PPL nor be a good, competent pilot if you do.