It can never be opposite day. When ever you say "HEY IT'S OPPOSITE DAY!" the opposite would apply therefor it would not be opposite day. Also if you say "IT'S NOT OPPOSITE DAY!" the affect is not applied.
Sneaky can you please try to win more games. I told my friends to check out this amazing streamer and they are all watching today and making fun of me because I'm watching an one win streamer. I'm feeling so ashamed right now but still believe in you! Please prove them wrong