Released: June 21, 2010

Featuring: Taylor Swift

Songwriter: John Mayer

Producer: John Mayer Steve Jordan

[Verse 1: John Mayer]
I was born in the arms of imaginary friends
Free to roam, made a home out of everywhere I've been
Then you come crashing in, like the realest thing
Trying my best to understand all that your love can bring

[Chorus 1: John Mayer & Taylor Swift]
Oh half of my heart's got a grip on the situation
Half of my heart takes time
Half of my heart's got a right mind to tell you
That I can't keep loving you (can't keep loving you)
Oh, with half of my heart

[Verse 2: John Mayer]
I was made to believe I'd never love somebody else
Made a plan, stay the man who can only love himself
Lonely was the song I sang, until the day you came
Showing me another way and all that my love can bring

[Chorus 1: John Mayer & Taylor Swift]
Oh half of my heart's got a grip on the situation
Half of my heart takes time
Half of my heart's got a right mind to tell you
That I can't keep loving you (can't keep loving you)
Oh, with half of my heart

[Verse 3: John Mayer]
Your faith is strong
But I can only fall short for so long
Down the road, later on
You will hate that I never gave more to you than half of my heart
But I can't stop loving you

[Backup Vocals: Taylor Swift]
I can't stop loving you

But I can't stop loving you with half of my
Half of my heart
Half of my heart

[Chorus 2: John Mayer & Taylor Swift]
Half of my heart’s got a real cool imagination
Half of my heart’s got you
Half of my heart’s got the right mind to tell you
Half of my heart won’t do

[Outro: John Mayer ]
Half of my heart is a shotgun wedding to a bride with a paper ring
And half of my heart is the part of a man who's never truly loved anything
Half of my heart
Half of my heart
Half of my heart
Half of my heart
Half of my heart
Half of my heart

John Mayer

John Clayton Mayer, born October 16, 1977, is a singer-songwriter and guitarist whose work has spanned many genres over the course of his career. Raised in Fairfield, Connecticut, he attended the prestigious Berklee College of Music, hoping to refine his guitar skills. He dropped out after one year to pursue his career.

After striking a deal with Aware/Columbia Records, he released his debut album, Room for Squares in 2001. The single “Your Body Is a Wonderland” launched him to fame, winning him a Grammy Award for Best Male Pop Vocal Performance in 2003. That same year, he released his second album Heavier Things, spawning the single “Daughters”, which won Song of the Year in 2005.

After performing soft rock/pop in his early career, he began moving towards the blues genre that had initially influenced him as a musician, collaborating with B.B. King and Eric Clapton among others. In 2005, he formed the blues group John Mayer Trio, releasing Try! that same year. Mayer’s 2006 album Continuum continued his foray into the blues genre and won him Grammy for Best Pop Vocal Album in 2007, producing the hit singles “Waiting on the World to Change” and “Gravity”.