It seems to be very true for humans to learn things that require practice. Playing video games, playing piano, sport, etc. My interpretation is even though I l

It seems to be very true for humans to learn things that require practice. Playing video games, playing piano, sport, etc. My interpretation is even though I love those practices, I would still make myself tired from playing and concentrating for too long - after that my standard is downgrading. If I continue, I get used to those lower standards more than I could gain expertise.