Beverly Hofstadter: Penny, go on.
Penny: Well, ever since his paper got disproven, he's been a wreck. He's been sad and and angry. He just seems kind of broken.
Beverly Hofstadter: Well, it sounds like he may be grieving.
Penny: Really? Over a theory?
Beverly Hofstadter: Of course. You can grieve over any emotional loss. The more you care about something, the greater the trauma of losing it.
Leonard: Oh, boy. He cared about this a lot.
Penny: Yeah. What can we do to help him?
Beverly Hofstadter: Well, grieving is a process. Every culture has its own rituals and traditions to facilitate mourning. The ancient Egyptians had their mummification, the Tibetans had their sky funerals-
Leonard: And when I was little and my dog died, my mom sat me down and very gently told me that she wished the truck had hit my dad instead.
Beverly Hofstadter: I was trying to lighten the mood. Your dog had just died.