Especially with a comedy, you've got the clear cut goal of trying to make a scene funny. It's not like drama where you're trying to achieve some kind of emotion or trying to further the story along. You're trying to figure out what's the funniest way to do something.
It's always been my personal feeling that unless you are married, there is something that is not very dignified about talking about who you are dating.
When you're in Los Angeles, nobody bats an eye, they're so used to seeing actors, they just act really cool.