Keane had worried that the girl was going to get lynched at best -- or forcibly disarmed at worse. Naturally, he wanted to go with her to see to this security guard business. Whether or not he'd initially thought the idea to be crazy, he had in fact come around. He snorted at her comment. "Whatever." he said, shaking his head. "I got your back." And if anyone touched her he would possibly react poorly. Res having a target on her back made him more of a protective bastard than usual.