Drunk girl crying in the parking lot
          Always begins her ‘plaints with “I”
Dull boy whining on an email screen
          Always begins his notes with “I”
Mean girl screaming in the shopping mall
          Always begins her rage with “I”
Sad boy ******* on a cigarette
          Always begins his verse with “I”
‘Lone girl staring at a tv set
          Always begins her sigh with “I”

And why?

Because they overdose on I, ME, MY