My evolutionary advantage.

I am capable of digesting milk, as an adult. I didn't realize it was a special ability, but apparently it is as some researchers are reporting that the ability to process lactose as adults is a genetically advantageous trait that is a fairly recent mutation. Me and other milk drinkers procreate and survive better over the long haul than those who can't drink milk--has something to do with common ancestors that first domesticated cattle---eating their meat (the cows') and drinking their milk and surviving droughts better.

Think about that with your next bowl of cereal---you have mutated into a super-procreating milk consuming glutton.