This is exactly how I deal with stuff. Life is so absurdly bad sometimes that you simply have to laugh at it. When she says, "I have cancer" at the beginning, it's oddly hilarious. The whole thing is a study in using humor to deal with the darkest, most awful crap that life rains down on you.
At the end of this excerpt, the host will tell you that you can download the full set from Louis C.K.'s Web site, but it's not available there anymore. Instead, you can buy the entire set on iTunes.