Where do the days go? And the months???

Hey, where do the days go??? Among other things, I've been busily prepping for a school visit tomorrow. Why is it middle-schoolers make me so nervous? I could talk to 4th graders day after day and never get anxious about it, and the younger grades are just so adorable and happy -- I want to write some books for the little ones, because school visits to them are so much fun! But start getting up to 5th... well, they're still pretty easy, but I don't know, 6th, 7th, and -- ulp -- 8th? They're t...