Don't want you back

Don't want you back, you know you gotta go
Don't want you back, forgive my honesty
But you gotta go (got to go)
I, I don't want you back
Don't want you back
That's all I know
That's all I can say


I photographed this sentence on the stair when I was jogging this morning.
It must has a story, not necessarily beautiful, but memorable.