[Sheldon is discussing Leonard's failed relationships with Penny]
Sheldon
So what is the "down" and the "low", and don't worry, this is all entirely confidential, so you feel free to include any and all shortcomings in the bedroom.
Penny
We never got to the bedroom.
Sheldon
Because...?
Penny
OK, all right, you know what? I'll tell you what happened. We were young, we were very much in love, but we could only communicate through a time-traveling mailbox at my lake house.
Sheldon
It's not enough that you made me watch that movie, but now you mock me with it?!
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