I'm a human head and my best friend is also a head
I don't really need my best friend
 
Now my friend is gone and I'm only a head by myself
I find I don't need my whole head
 
Now I'm just the top of a head, just the scalp and the hair
I don't like the scalp, just the hair
 
What do I really need?
Best friend, also a head
Just the head
Just the scalp
Hair
 
Friend
No
Head
No
Scalp
No
Hair
 
I am only one human hair with no scalp for a home
All I need's the top of a head
 
Now all I am is just a scalp, I don't have any head
I'd be glad if I had a head
 
Now I have a head, look at me, I'm a fine floating head
Where is my friend the other head?

Corrections? Let me know.