10 hours a week is not an unhealthy target, as long as you build up to it gradually. So if you don't exercise particularly frequently, and then you suddenly start doing 2 hours a day, you'll fatigue quickly, and may get injured or ill.
Well they get alot of money, and they spend about 35% of it in one week.
too little
Too much, don't buy them.
No
One hour is a little too much! Three hours a week is very good. If you exercise too much that can cause health problems.
Too much!
too much.
You cant have too much sex!
Too much... £122,400 a week
too much
it only wastes your time if you dont enjoy the sport you are playing
too much