Mood Swing

I was suddenly overcome with a deep sadness as I was sitting in bed typing up a med school interview thank you note and listening to Margot and the Nuclear So and Sos' slow, mellow songs. I lost my motivation to go for a run, finish my biochem lecture review from last week, or even continue composing the thank you note. I'm not really sure what's come over me. I've been preoccupied with several concerns lately; I feel as though I've subconsciously decided to let them weigh on me all at once, and this has manifested in my conscious desire to do nothing. I just want to lie warmly in bed, listen to music, and veg.