Related:

• Two is company, three is an orgy.
• Two's company. Three's a trend.
• Two is company. Three is fifty bucks. -- Joan Rive
• Two is company. Three is poor birth control!
• One's company, two's a crowd and three's a party. -- Andy Warhol, in "Exposures", 1979
• How many mutants -- does it take to screw in a light bulb?
  Two thirds. Note: Many mutations/birth defects result in people missing limbs, etc....
• To be or Not is the Result!