Oh

     Sometimes that great thing that makes you feel great all the time can also make you feel shitty. Yep, sometimes improv makes you feel shitty. You read about how that can happen, but you secretly hope that will never happen to you. But it does and there is no amount of reading or anecdotes that can take away that sting of the shitty Harold you just did. And you know you have to shake it off, but maybe for about 20-minutes, you just want to dwell on it. You want to wash it down with some Sam Adams Octoberfest and replay the shitshow in your head 15 more times.
     Eventually, you can get off that bar stool and head home and know you'll be back to do it again. What are you going to do? Quit? No. Of course not. That would be ridiculous. You're going to do it again, and it might hurt again. But you spend some time staring at this poster and you know it'll be fine again.

(From http://improvartvice.tumblr.com/)