Competition Quotes in Unbroken

How we cite our quotes: (Part.Chapter.Paragraph)

Quote #10

Running wasn't the same. Once he had felt liberated by it; now it felt forced. (5.35.22)

Continuing from the last quote, competition just isn't the same to Louie anymore. Why do you think this is? Could it be that in his college days, running gave him a high, but after the war, he can't ever feel an adrenaline rush like that again?