"Oh, yes, Martha. She's a very good doctor, you were in good hands." He offered the woman a small smile as he spoke. "I live with her, actually. She's from my world." Martha was one of the many people he lived with, it seemed. The only one missing from his world that didn't live with him was Owen. He didn't hold that against him, though.
"Nice to meet you, Sharon. I'm Jack." He flashed her another smile as he introduced himself.
He took a sip of his iced espresso, and studied the woman for a moment. "What's your world like?" he asked.