S01E03
-Raj: What's the matter?
-Leonard:I'm fine. Penny's fine.The guy she's kissing is really fine.
-Howard:Kissing, what kind of kissing? Cheeks? Lips?Chins?French?
-Leonard:What is wrong with you?
-Howard:I'm a romantic.
-Sheldon: Please don't tell me that your hopeless infatuation is devolving into pointless jealousy.
-Leonard:I'm not jealous. I'm just a little concerned for her.I didn't like the look of the guy that she was with.
-Howard:Because he looks better than you?
-Leonard:Yeah. He was kind of dreamy.