Something

age {  
  ; Change this to your birthday in the same format. 
  var %bday = October 26, %year = 1988 
  ; Do not edit this unless you know what you're doing. 
  var %seconds = $calc($ctime - $ctime(%bday %year))  
  me is exactly $calc(%seconds / 31536000) years old. It is exactly $duration($calc($ctime(%bday $asctime(yyyy)) - $ctime)) until my $calc($asctime(yyyy) - %year) $+ th birthday  
}