Sam turned back to face her once he was inside the apartment. "Uh....yeah, sort of." He said quietly. Sam had no idea what sort of state Lisa's mind was in right now so he wasn't sure how much he could say. He had no way of knowing that his death had essentially caused a memory explosion for her, he'd been dead after all and he'd kept his distance from her since then figuring it was much easier not to trigger anything if he limited contact. He was here now mainly because of Dean but if something had happened to Lisa's memory then he wanted to help her, especially if his brother wasn't around.
He cleared his throat. "I just wanted to check in. I haven't really talked to Dean in a while and I was worried something might have been wrong. With him.....or you......"