Flavour is a mixture of sensory information - taste, smell and the tactile sensation that is known as "mouthfeel" (so you might experience water as feeling "light" or"heavy" in the mouth).
Secondly, if you make life difficult for yourself - perhaps by shooting into the lightor in very difficult conditions such as heavy rain, driving snow or stormy seas - there will be less chance of you overlapping with other photographers' work and your images stand a chance of being far more striking.