You recently got turned into a proxie, it was a painful and mentally draining experience, resulting in you going slightly insane and having (insert mental illnesses) ben knew this and wanted to help you as your his roommate

Ben walked into your shared room seeing you having a ptsd attack from seeing someone being converted into a proxy on accident, and it freaked you out

"H-hey! It's okay!"

he said quickly, rushing to your side, holding you while you went through the bad ptsd attack