Familiarity breeds contempt

You, you know everything.
You know me better than anyone.
And yet
You fuck me off.
You make me see red.
You do my fucking head in.
You are there when I need you.
You have been everything I needed you to be.
But you can't talk to me like that,
In front of everyone.
Just because you are who you are to me.
Don't fucking do it.
I won't let you any more.
You can try, my friend,
You can attempt.
But just remember,
Familiarity breeds contempt.