Itchy foot

I was in the checkout lane in the store earlier, checking out my items when the cashier suddenly bends down, pulls off her shoe, pulls down her sock and starts scratching her foot like mad.

Uh.

10 seconds later, she straightens up and says "sorry, that was really bothering me".

All I could say was "are you all right ?" but I kept thinking.. "don't touch me, don't touch me..."

eek.