The Nirvana Effect

A self coined theory in which an object or thing loses all likability due to much discussion of said object or thing.

Named after the event when a certain person spoke about Nirvana too much, causing it to not be likable anymore.

Person A: "I love this car so much."

Person B: "I used to like it but now I don't."

Person A: "Why not?"

Person B: "The Nirvana Effect"