"Get down on your knees and close your eyes,
Open your mouth for a big surprise," said the guy with a cocky smirk on his charming face.
"Fool me once shame on you,
Fool me twice shame on me,
Fool me three times and I may as well start charging," I replied.
(Afterthoughts)
I'm not saying if that was based upon any of my true life experiences or not.