And unlike others I've never said I was perfect or without sin. But what does that have to do with the subject at hand?
Point to these others who are claiming to be perfect or without sin. They need correction.
I suspect you can’t, because Christians know differently.
And strictly speaking, adultery is sex between a married person and someone who his not his or her spouse.
It goes to the heart of how you understand Scripture.
You think living with your boyfriend is not adultery. Scripture says otherwise.