Further to this post - http://kittygopounce.livejournal.com/292670.html - my answers are:

1. "...this is my life, it's not what it was before..." - Staind, So Far Away
2. "...I've been this way with so many before but this feels like the first time..." - Joshua Radin, Paperweight
3. "...live on the outside, I'll help you through your pain if you help me through mine..." - Little Birdy, Relapse
4. "...hold onto me please, don't you let go of me..." - Hurt, Danse Russe
5. "...but I don't want to sleep without, so I bid you goodnight..." - Coheed & Cambria, The Velorium Camper 1: Faint of Heart
6. "...but I've learned to go with the flow and thats what the flow wants to do..." - Lior, Autumn Flow
7. "...and she'll never cover up what we did with her dress..." - Marilyn Manson, Heart-Shaped Glasses
8. "...your smile rolls away for miles, and your kiss makes it worth the ride...." - Kyuss, Writhe
9. "...and it calls me back into the safe arms that I know..." - Powderfinger, Waiting for the Sun
10. "...my hours are slumberless, dearest the shadows I live with are numberless..." - Rezső Seress, Gloomy Sunday
10. "...can you feel the hype, can you feel it in your body-oh..." Black Eyed Peas, Feel It
11. "...I'm from the hard knock academy, automatically had to be..." - Sean Biggs, Never Gonna Get It
12. "...first time that I saw your eyes, boy you looked right through me mmm mmm..." - Fergie, Clumsy
13. "...take it back in time when forever was a minute, and eternity was a second..." - Alicia Keys, Wreckless Love
14. "...ridin' in the drop top with the top down, saw you switchin' lanes girl..." - Justin Timberlake, Summer Love
15. "...to see life as a fun and take it if we can..." - The Cranberries, Ode to My Family
16. "...last year’s wishes are this year’s apologies..." - Fall Out Boy, I'm Like a Lawyer with the Way I'm Always Trying to Get You Off (Me + You)
17. "...nothing can compare to when you roll the dice and swear your love's for me..." - Finlay Quaye, Dice
18. "...come on closer, I wanna show you what I'd like to do..." - Jem, Come On Closer
19. "...well, well, what do I say, looks like what goes around comes around..." - Nelly Furtado, Well Well
20. "...I push my fingers into my eyes, it's the only thing that slowly stops the ache ..." - Slipknot, Duality