1. Taking archeology lecture may lead to further opportunities outside of a lecture hall, especially if you spend a lot of time talking to your professor.
2. Variety is a good thing: British Drama 1956-1996
3. See above + actually writing your own stuff can be so very thrilling when it's not making you tear out your hair: Poetical Practice. As we both well know, sometimes hair-tearing-out difficult work is SO worth it.

You are so so lucky. But you know that. :)
When are you going again? I can't seem to keep track of everything in the world, funny how that works.