Three steps to brighten your day.
1) If things don't go as expected, there is always hope! - Canon in D Major
2) Because nothing cannot be conquered with Fighting Spirit and a good dose of Metal. - Rocks Jam Project
3) And thus begins the adventure! - Aya Hirano - Bouken Desho Desho
If you fail to cheer up after the third step, you are diagnosed as clinically depressed. There, I've just saved you a trip to the shrink.