Ancient Wisdom?

Some days, I think Galen was on to something with his four humours. After all, most of us are by nature one emotional mood most of the time. I am sanguine -- hopeful, energetic, willing to leap into new things. Most of the time, warm blood courses through my veins, and I feel on an even keel. But every so often, I have a melancholy day -- for no particular reason, I wake up not my normal happy self. In some ways I can only explain this through some sort of imbalance -- and as anachronistic as it sounds, an excess of black bile kind of makes sense. The mood comes from inside me, from my gut, almost. It's not because of bad things happening to me, or because of bad thoughts, or anything like that. It's just...there.

Really, I could almost throw away modern science and embrace Galen's idea -- were it not for some of his other, much more crackpot ideas. "Fumigation of the vagina"? I don't even want to know what exactly that involves...