Opening Credits:
Schizophrenic Conversations (Acoustic)-Staind

Waking Up:
Boulevard of Broken Dreams-Green Day

Falling in Love:
Soil-System of a Down

Fight scene:
Venus Doom-H.I.M

Breaking up:
No Apologies-Trapt

Getting back together:
Mein Teil-Rammstein

Secret Love:
Sonne-Rammstein

Life's okay:
X-System of a Down

Mental breakdown:
Contrasts-Number One Son

Driving:
Beyond The Sun-Shinedown

Flashback:
The Deceived-Trivium

Partying:
Stitches-Allele

Happy dance:
Darts-System Of A Down

Regretting:
Sober-P!nk

Long night alone:
Fading Away-Demon Hunter

Death scene:
Eye Of The Storm-Killswitch Engage

Ending credits:
Only When I lose Myself-Depeche Mode


...wow, my list is REALLY messed up, isn't it?