S01E03
-Leonard:Oh, you know what, maybe this isn't such a good idea.
-Sheldon:Oh, no, well, now there's always the possibility that alcohol and poor judgment on her part might lead to a nice romantic evening.
-Leonard:You're right. Alcohol, poor judgment- - it could go well.
-Sheldon:Of course there is the other possibility, that this date kicks off a rather unpleasant six months of the two of you passing awkwardly in the hall, until one of you breaks down and moves to another zip code.
-Leonard:You could've stopped at it could go well.
-Sheldon:If I could've, I would've.
-Leonard:I mean, I'm a perfectly nice guy. There's no reason we couldn't go to the restaurant, and have a lovely dinner, maybe afterwards, talk about things we have in common. You love pottery? I love pottery!