Everything you need is already inside.
I think people can handle 150 to 200 miles a week. But something has to give somewhere. If he's a student, how's he going to study? He may be at the age of chasing and courtship, and that's an important form of sport and recreation, too.
Don't give anything away. Never make it easy for the guys you are trying to beat.
Victory is in having done your best. If you've done your best, you've won.
The athlete makes himself, the coach doesn't make the athlete.
It's easier to beg forgiveness than ask permission.