"Certifiable" lyrics - OVERKILL

I'm comin' home, I'm comin' home to you
'Cause you can't live without me

Who left the door, the window, gate locked?
Who did? Didn't want me in
Way back when I was just a psychopath
C'mon, c'mon, c'mon and let me in

Whoa! They tell me I'm insane
Whoa! Just something with my brain

I'm a good boy now, good boy now
Certifiable
I'm a good boy now, good boy now

I know, I know, I know you're in there
I know that murder is a sin
I know I'm better than I ever was
C'mon, c'mon, c'mon now, let me in

You know I'm the same
You know I haven't changed

What you done?
Just ain't right but I thought of you
Every night
It was as painful as a human bite
But we'll be together again
An' I know that you've been thinkin' of me
'Cause you want it the way it used to be
So leave the light on so I can see and you better let me in
You better let me in
Motherfucker

Whoa! They tell me I'm insane
Whoa! They tell me nothing's changed
Whoa! But you that I'm sane
Whoa! But you know that I've changed

Good boy now
Good boy