David: You know how I know you're gay? Cal: How? How do you know I'm gay? David: Because you macramed yourself a pair of jean shorts. Cal: You know how I know *you're* gay? You just told me you're not sleeping with women any more. David: You know how I know that you're gay? Cal: How? Cuz you're gay? and you can tell who other gay people are. David: You know how I know you're gay? Cal: How? David: You like Coldplay. 40 year Old Virgin.