What is repeated on lines 32-66 and what does it effect this repetition have on the reader?

Generally a repetition has the effect of impacting the reader to make them remember something. Giving a rhythm to recall, like a mnemonic device or a song with a catchy chorus. The repetition makes something emphasized, or more important.

I've actually never heard of the guy. but, atleast he doesn’t rap/sing about drugs and girls, but he still have a very high view of himself, which could possibly cause annoyance