Being taken advantage of can lead to significant mental health problems, especially if you have been used or harmed in a previous relationship. It can manifest symptoms associated with anxiety,They might feel that someone used them in the past, so they use others as a way to get revenge.Using others helps them to feel more in control.It never feels good for someone to take advantage of you. It can make you feel poorly about yourself and take a negative toll on your relationships. It can also make it harder to trust other people in the future.2 According to Marcum, here are some of the ways that you might be affected if someone has been using you: