When your purse contains: matchbox cars. babywipes, 2 pacifiers, smashed lipstick (somebody twisted the bottom), and a partly wrapped lollipop.
When you'vr left the children with the sitter and are driving out to dinner with your husband and say "Lookie, choo choo train."
You feel naked if you leave the house without a diaper bag on your shoulder and a child on your hip.