: Once Ted’s glass shatters, he retaliates by shattering the glass for everyone else’s flaws: Lily 's loud chewing. Marshall 's habit of turning everything into a song. Robin 's over-correction of people's grammar.
: Ted dates a girl named Kathy and is oblivious to the fact that she never stops talking until his friends point it out. Interestingly, the character's name is a literal play on the term "Chatty Kathy". [S3E8] Spoiler Alert
While the episode is primarily a comedy, it touches on the psychological concept of . Once the friends "spoil" the flaw, every subsequent interaction serves only to confirm that annoying trait, effectively changing the nature of their relationships forever. : Once Ted’s glass shatters, he retaliates by