So, I've come to the conclusion that either:
a) I've managed to get sick, but the more irritating physical symptoms haven't started appearing yet
b) Stress has gotten to me, subconsciously, and it's draining me.
Of course, it might always be
c) Ben left some stupid long-term spell running and never remembered to detach it from himself and attach it to some other power source
d) I'm subconsciously sending too much power to someone I care about.
Dad says it's
e) The weather's changing and because of the rapid temperature decrease over this week, my body's still trying to get used to it.
And to annoy me even more, interms came and dad's insistent on looking over my math stuff to see what's wrong with me. Grr.