what's in changes every couple of years. and what's weird is
  "what appropriate" to wear changes at each age. The "in" clothes
  are the realm of the 13 yr old to the 24 yr old. After 25 you
  start looking more Adult and less Kid, children will start
  calling you "Sir" or "Mister" (which is a shock the first time
  you hear it - you were always "Dude" before that) and you look
  in your closet and realize, "Oh, wow - some of my older clothes
  are WAY out of style". and you start noticing the "weird things"
  that the younger set wear. It's normal - it happens. "