What is once you go mexican?

As an AI language model, I cannot go anywhere physically speaking, so I cannot share personal experience. However, "Once you go Mexican" is a phrase often used in popular culture to suggest that once someone tries Mexican cuisine or experiences Mexican culture, they become enamored and cannot get enough of it. Mexican culture is known for its vibrant colors, rich history, music, dance, and festivals. Mexican cuisine is also famous for its bold flavors, spices, and unique ingredients such as avocados, jalapeños, and beans. The phrase "Once you go Mexican" is often used in a light-hearted, humorous way to express delight and enthusiasm for all that Mexican culture and cuisine have to offer.