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The truth is bulletproof, there's no fooling you

I don't dress the same

Me and who you say I was yesterday

Have gone our separate ways

Left my living fast somewhere in the past

'Cause that's for chasing cars

Turns out open bars lead to broken hearts

And going way too far

I know I used to be crazy

I know I used to be fun

You say I used to be wild

I say I used to be young

You tell me time has done changed me

That's fine, I've had a good run

I know I used to be crazy

That's 'cause I used to be young

Take one, pour it out

It's not worth crying 'bout the things you can't erase

Like tattoos and regrets

Words I never meant and ones that got away

Left my living fast somewhere in the past

And took another road

Turns out crowded rooms empty out as soon

There's somewhere else to go, oh

I know I used to be crazy

I know I used to be fun

You say I used to be wild

I say I used to be young

You tell me time has done changed me

That's fine, I've had a good run

I know I used to be crazy

That's 'cause I used to be young

Oh, oh

Oh-whoa, oh-whoa, oh-whoa, oh

Yeah

Whoa, whoa

Oh-whoa, oh-whoa, oh-whoa, oh

I know I used to be crazy

Messed up, but, God, was it fun

I know I used to be wild

That's 'cause I used to be young

Those wasted nights are not wasted

I remember every one

I know I used to be crazy

That's 'cause I used to be young

You tell me time has done changed me

That's fine, I've had a good run

I know I used to be crazy

That's 'cause I used to be young