I'm going to lie to my bf and let him believe his ex cheated on him
Why do you want to hurt your boyfriend's feelings on purpose?
So, I can do something bad to his ex.
What if your boyfriend finds out that you made it all up? Then he won't want to be with you anymore.
I'm going to shove my shit down her throat.
You sound really angry over a person that your boyfriend probably forgot about. What did she do to you?