When the time comes for your brain to process the information, the second word comes up faster than the first one. So when it's in your head, all of a sudden, it comes out backwards and you think of the word backwards.
“To me, the blues is an infection. I don't think it's necessarily a melancholy thing; the blues can be really positive and I think I think anyone and everyone can have a place for the blues. It need not always a woeful, sorrowful thing. It's more reflective; it reminds you to feel.”