Gob taken for granted

I'd like to make a complaint
I'd like to whine a little bit
I've got this gut full of shame
I guess, you could say, you ruined my day
Retaliation would just waste time
It won't make it right
You've got this reputation
You'd like to keep until the end
In fucked up situations
You'd save your face and lose a friend
This must be why I feel sick
From the bad taste you left behind