Now, an acquired taste is something that is not hardwired into the brain. Acquired tastes are unlikely to be enjoyed without substantial repeated exposure. And alcohol is one of those things that is an acquired taste, but on the other hand, the sweetness and sugar, that's more of an innate taste.
Acquiring tastes is a natural part of human development, but many adults still can't stomach certain flavors. For people who want to overcome their food phobias, “hacking” the psychology of acquired taste is possible. Rozin has experienced this firsthand. “I've done it myself,” he says.