I'm immune to persuasion

Except, it would appear when a pair of big beautiful brown eyes gaze up at me from the front of the show stand, and two large tears slowly roll down the sad face of a little girl.

Why? Because the silver ring, with the twinkly stone would not fit her finger. I'm fully booked for commission studio time until late January 2019, and I can't possibly fit another job in before Christmas ........unless.......