Progressively Overloading his muscles, assuming he is doing weight training, to increase strength over time. he should not stay with the same weight for two months, unless he can perform more reps with better form over time.
I believe its for nutrition.
Both of Michael Phelps and Caleb Dressel are professional swimmers ( freestyle swimming) so D
Are there choices?
Otherwise if she-
Makes a chart
Finds healthy food she likes
Makes time to exercise
