What happened to me?

Is it strange that I don't think drinking collagen is weird? When did I start expecting rice and green tea at every meal? How is it that I eat sesame seeds every night? When did I stop thinking that the small bubble showing Japanese people's reactions to the same TV show I'm watching on TV was strange? How is it that when I see an American movie, it looks like they're driving on the wrong side of the road? When did I start covering my laughter with my hand? Why do I feel naked if my collarbone is exposed? When did I start half-running when someone is waiting for me? How is it that I think chopsticks are easier to pick up food? When did I start peppering my vocabulary with Japanese phrases like daijobu (ok), ne (right?), eeeh (surprise sound) and ii yo (don't worry)? How is it that I can sit on my legs for hours without moving? When did I start thinking fish, rice and soup with other random seafood sounds kindof good in the morning? What is going on!?