if i am with the wife and
i am going to pay
i use either cash ...already in my hand
or swipe my bank card......... but it never goes
quite smooth enough to suit her
... EVER
and the counting out of money (omg) has to be
PERFECT
so usually i bail !! after unloading the shopping cart
and bring the automobile around for a quick exit.
that way, she is the one to blame for anything over -> charged