Don't do this again (not slang)

Please don’t do this again
Please don’t pull me back in
We’ve been through it all before
I thought we had shut that door

No one understands this is real
They don’t get how I feel
Why can’t you accept what I say
Why does it have to be your way

The first time around
I didn’t make a sound
I knew it wasn’t right
But we were so tight

if she had found out
I know with out a doubt
Exactly what you would do
You know it’s true

You chose her over me
You said you set me free
But now you’re coming back
I’m not ready for this attack

So please don’t do this again
Please don’t pull me back in
We’ve been through it all before
I’m not opening that door