You know you've played too much FFX-2 when:

Semi-(SPOILER)
You dream that dream after Yuna dances on the airship. The one where Yuna/Lenne and Tidus/Shuyin run in Bevelle until they reach Vegnagun. Then they get shot by guards. Only that Yuna/Lenne was me running in Bevelle and Tidus/Shuyin was this guy I made up in my dreams (i'm not crazy, this guy is a character in one of my books, yeah, I write so what?)