Perhaps

"I will never love you again."

There are bluish spots on my back

From our spat last night over your drinking.

You had wanted me to go with you,

Even though you know I am six months along.

My eye casts a shadow over my face

From where you had suspected me of cheating

And taught me what you would do

If you ever saw the bastard you had imagined.

I have a rainbow on my neck

From your latest insecurity plaguing your mind

And telling you things that I don't do

To watching you destroy us once again.

I had tolerated it because he needed a father,

But now I see you are no father.

You are a coward hiding behind a beard

And will never be able to help raise a baby.

I will never love you again.