8-10-12 hours is just unhealthy, so not bad that you can't do that anymore.
I'm 43 and have been gaming since I was 7 years old. These days I play for about 1,5 hours three to four tiles a week. That still is a lot. The less time I spend gaming the more fun I have when I game. It's really about fun.
You're Lemmy is different from mine, so it seems. I have no idea what you're talking about.