((((((( Justfloating! )))))))

A depressed individual cramming a 400-page book on the meaningless of life, and then taking an exam on it -- !?!?!?!

This I would not wish on my worst enemy (OK, maybe I might consider it).

Slowinmi has nicely summarized your numerous stressors. Please be careful, and I hope you can find the wherewithal to overcome family pressures to get some genuine rest once you get home.