When a German stabs you in the back, and you complain, he professes to be your friend but must follow his orders, which were to stab you in the back.
When a Frenchman stabs you in the back and you complain, he professes to be your friend but bangs on for two hours on the philosophical necessity of having to stab you in the back although he likes you.
When an Englishman stabs you in the back and you complain, he says, "knife, what knife?"
Have a Merry Christmas, I am closing down now.
dg