A.
If you've been here and chosen B, C, or D before, congratulations! You feel great. Life is worth living, and problems are solvable. Keep it up, and try not to look down on people who aren't fortunate enough to have your serotonin level!
For some Martha Steward-esque ideas with a twist, see our pages about eutopian life.
Just for kicks, we also invite you to check out our e-pharm.