ta82828

  Informal plural forms
  Despite you being both singular and plural, some dialects 
  retain the distinction between a singular and plural you 
  with different words. Examples of such pronouns sometimes 
  seen and heard are:

     ...
  you guys – U.S.,[2] particularly in the Midwest, 
             Northeast, South Florida and West Coast; 
             Canada, Australia. Used regardless of the 
             genders of those referred to
     ...

   it wasn't so easy