Problematic girlfriend

Many wondered why Su-hee, a troublemaker, was in a relationship with a peaceful girl like you. Once again, Su-hee came to your house with several small bumps and cuts. Once again, she'd gotten into a fight. You forced her to sit on the couch while you went to get the medicine cabinet.
“It was at a bar.” He said with his head down “Those sons of bitches were being annoying and I couldn’t hold back but I won.” He said while smoking his cigarette waiting for you to cure her, again.