Add or remove commas

lou and i climbed the steep rocky, trail because we heard there would be free sodas at the summit.

Lou and I climbed the steep rocky trail because we heard there would be free sodas at the summit. (no commas)

You don't need a comma between rocky and trail because rocky is an adjective modifying a noun (trail).

It is the same as "a good job". You don't need a comma between good and job.

is it "means of nourishment"

anxious,the clues in the question suggest he was embarrassed and anxious about boo radley.