Lucy will seem shy when you first meet her, once you are friends with her she is out of control, she will manipulate you and make you believe that what she is doing is not toxic. Until she reaches the last straw. If you step back and look at your friendship, you will see that she is clingy and doesn't let you have other friends, she gets mad easily and you end up apologising for something you shouldn't apologise for. She will gaslight you. She will use your insecurities to make herself the victim..