"Fan De Su Relación" is a Spanish phrase meaning "Fan of Their Relationship," often used to humorously depict intense or obsessive admiration for a couple's relationship. The meme originated from a tweet where a user expressed extreme enthusiasm for a celebrity couple. It quickly became popular on social media, especially among Spanish-speaking users. The meme typically features exaggerated reactions, with people going to great lengths to show their support for a couple, often in an over-the-top, fanatical manner. This meme highlights the sometimes absurd levels of interest and investment people can have in others' romantic relationships.