Knock, knock, knock, knock, who's there?
Knock, knock, knock, knock, who's there?
Knock, knock, knock, knock, who's there?
Who's there? Who's there? Who's there? Who's there?

If you're wondering while you're knockin'
Why I ain't openin' up, I'm loving your best friend
If you're wondering while you're knocking
Why I ain't openin' up, I'm loving your best friend

If you wonder why I'm tripping, started out when we stopped talking
Found myself in the corner drinking but the problem just won't go
I distract myself with music but my ear drums just refused it
So I dig into my wallet and I stare at your photo

When I think of all the time, candlelights, dinner and wine
You're the rib that's in my spine but you would not make no time
So your girlfriend came around, all those times that you left town
Made me feel just like a king when she sat down on my crown

If you're wondering while you're knockin'
Why I ain't openin' up, I'm loving your best friend
If you're wondering while you're knocking
Why I ain't openin' up, I'm loving your best friend

Now it might seem kind of shady and it shoots like a 380
Though I'm in another lady, I'm still thinkin' 'bout my baby
All the things we used to do when I used to call you Boo
It felt like we were in grade school but all those days are through

All those thoughts of going to the chapel, it's like someone just burned
My castle, paint the picture like Picasso but the image fades away
Now for some it might be deep but I just received a beep
So I called back anxiously, she put her lover on the line

If you're wondering when you're calling
Why I ain't calling you back, she said, 'I'm lovin' a new man'
If you're wondering when you're calling
Why I ain't calling you back, she said, 'I'm lovin' a new man'

If you're wondering when you're calling
Why I ain't calling you back, she said, 'I'm lovin' a new man'
If you're wondering when you're calling
Why I ain't calling you back, she said, 'I'm lovin' a new man, yeah'

Oh baby please, you know this situation's buggin' me, you got
Someone else but your girl's with me, it's only so I can get by
Oh baby please, you know this situation's buggin' me, you got
Someone else but your girl's with me, it's only so I can get by, oh yeah

If you're wondering while you're knocking
Why I ain't openin' up, I'm loving your best friend
If you're wondering while you're knocking
Why I ain't openin' up, I'm loving your best friend