I'm sort of in denial that it is 2012. I omit entire decades when calculating how long ago things were - "That was in 1992. I can't believe that was 10 years ago." "It wasn't 10 years ago, Melissa, it was TWENTY years ago." This conversation happens all too often.
Baxter Bark Twice had a great link to 48 things that will make you feel old. And it did.