There are a few things you can do to protect yourself from other guys in your city from taking advantage of your girlfriend. First, make sure you are both up to date on old school web applications. This will help you keep in touch with her sentances and keep you from being taken advantage of. Additionally, you can also make sure her social media accounts are changed so that she doesn't not have any people who would take advantage of her. Finally, if you are feeling taking advantage of, then you should have a solid plan in place to make sure you get your girlfriend back. This means such things as writing, phone calls, and communications will help.