[watwut]

And maybe 10-years old would be right. Not because of becoming best in the world, but because there would be zero harm to his development, really.

[Aperocky]

Unless he burns out.

Usually 10 years old (speaking from experience) don’t worry about job or employment prospect, they just want to do the cool thing. And if it’s the former that’s pushing I suspect a strong possibility of burning out.

Heck, even as an adult I can barely tolerate working on things I’m not interested in but pressured so.