Wonder why?

I waited for days,
For you to come up.
But you never cared
Enough to realize.
I heard you,
when you wanted.
But you never cared
Enough to ask.
I was there
When you were at your worst.
But you couldn't care lesser
Even when I was at my best.
I wonder why
I even bothered.
Because the only good you ever did to me,
Was to go away with her.