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A good way to tell: If you watch "Mary Poppins" and the kids start uncontrollably sobbing.
Your children learned 10 new words this week. All four-letter ones.
The guys at the tattoo parlor are always like, "What's up, ol' friends?"
When you ask about career experience, the nanny replies, "I'd tell you, but then I'd have to kill you."
Kids recently started asking for their OJ shaken, not stirred.
Your child mentions the nanny's boyfriend was wondering where we keep the good silver.
Makes offhand reference to no longer being allowed in the public library.
You ask how long your little Emma napped today and the nanny asks, "Who's Emma?"
Kids suddenly seem to know an awful lot about what's happening on the "The Real Housewives of Orange County."
Tells you that she had to go to the gym for a few hours, so she left the kids with the nanny.