Sheppard: Hi, look who's back. How's the family?
McKay: Ah great. Bought them a Prius.
McKay: Yeah. Listen, I can't believe what you did.
Sheppard: I don't really want to talk about it.
McKay: You talked Wallace into sacrificing himself.
Sheppard: No, I didn't.
McKay: Well, then how did he?
Sheppard: I...I presented a situation. He volunteered.
McKay: Still, you talked a man into killing himself.
Sheppard: He wanted to make things right. I merely uh...
McKay: Presented the situation.