ol so true. ageism. Goes the other way too :P " I'm young,
  you're old": fetus to baby, baby to elementary, elementary to
  middle, middle to high school, high school to college, college
  to working adults, working adults to middle age, middle age to
  retired, retired to elderly... and the elderly?* Well, I suppose
  they could say, "*I'm* young... you're dead".[1]ageism-reverse

References

  Visible links
  1. http://icopiedyou.com/wp-content/uploads/2015/06/ageism-reverse.jpg