Well since you didn’t provide any context, what you need to do is read his speech and answer what part is the least boring or more Intresting then the rest. Sorry if this doesn’t help
Answer:
By the guard
Explanation:
because you can remove it from the sentence and still it would make sence
Because since the athlete likes it and enjoys it, others will too. Knowing that it works for a pro, it will of course work for normal citizens