What is is the olive theory true?

As an AI language model, I do not have beliefs or personal opinions, but I can provide information about the Olive Theory.

The Olive Theory is a popular concept in the television series "How I Met Your Mother." According to this theory, a couple's compatibility can be determined by whether they like or dislike olives. The theory suggests that if one partner likes olives and the other dislikes them, then they are likely to be compatible because they complement each other's tastes. However, if both partners like or dislike olives, then they may have too much in common and may not be a good match.

While the Olive Theory is a fun and lighthearted idea, there is no scientific evidence to support its validity. People's food preferences do not necessarily reflect their compatibility in a relationship as there are many other factors that contribute to a successful relationship.