Thanks to a convincing private message, I decided not to slash my ex-girlfriends tires
How did this message convince you not to follow through?
By convincing me that it's not nice to slash tires or get back at someone like that.
It's good to take time to think things through before committing an act you may regret. Slashing her tires could have ended up costing her a lot of money. She could press charges if she found out it was you.
You are right but I am going to get back at her by leaving her texts on her friends phone.
I think that you should just leave her alone. Getting some kind of revenge is just going to hurt you both and create an all out war. It would be easier on you if you just drop it and move on with life.