Oh no he said too much.

Gimly: trying to keep up with you, and I don't know if I can do it. Im wasted on cross-country

I thought that I heard him laughing

Listening to that song before I was familiar with the idiom “losing [one’s] religion.”

Listening to it after learning what the phrase means.

In case anyone's not already aware of it, this reminded me of Hildegard von Blingin's bardcore cover.