Transcript:
Phoebe: There are two lessons I could take from this. Lying is a bad idea, and I'm better off not doing it, or...I just need practice.
Marigold: I feel you should -
Phoebe: There's a bug on your tail.
Marigold: WHERE?!?
Phoebe: Practice makes perfect!
Reminds me of Garak on DS9, when told the parable of “the Boy Who Cried Wolf” by Dr Bashir. His take on it was “You should never tell the same lie twice.”