Idealistically you could have better spent that time. Let's say that instead of playing for 3 hours a day for 4 years, you got yourself a job and worked 3 hours a day. That's about 4500 hours and if that was spent working a job at 8$ and hour, you could have made somewhere near 35 000$. That's a lot, but of course that would be thinking idealistically and most people wouldn't get a job instead of playing RS, but just thinking about what you could have done with that time is...