First step of break-ups- Change all your passwords

Change the password, go to your account settings and sign out of all devices. Log into your devices with the new password. Problem solved.

When you change the password you HAVE to press sign out on all devices. If your email password is the same change that too.

Some guys just can't stand being alone. More than likely, she's not all that new, if he already gave her a Netflix profile. Sorry this happened to you.

Change the password!

Looks like someone gets a new password..... the best kind of revenge is making someone try to remember how many seasons they’ve watched. *evil laughter*

Change the password! But first change the names to like “moocher” and “asshole”

Change the password and sign them out. Them delete both of their profiles.

Change the password

So now when you change your password, he's going to have to explain to the new girl why she can't use that account anymore. I'd take a load of satisfaction from that.