Cross-training is athletic training in sports other than the athlete's usual sport. The goal is improving overall performance. It takes advantage of the particular effectiveness of one training method to negate the shortcomings of another
Answer:
oop
Explanation:
go for it if hes a good guy =)
he can use his free time to work out, or if he doesn't want to do that then he can try changing schedule up an making time for physical fitness.