Luxardo Amaretto Di Saschira
...because it's been a really crappy week in what has been one of the most stressful years of my life.
I drink this out of a shotglass shaped like a human skull...

...which is a good visual reminder of what you're doing to yourself, so you stop after one.
I've never been afflicted with alcoholism, but other members of my family were (and are) less fortunate.