Wavelengths
Some people feel that friends should have the same 'wavelength.' But, we have a group of four with very different wavelengths. We rarely agree on anything - from politics to sports.
Think of it though, and you don't need the same wavelengths of sound to make a symphony. Actually you need different wavelengths in harmony. They just need to be complementary to avoid cacophony! Check out Chicken Angara and Garlic Naan to find out.