You think that postcard pissed you off. Just wait for the day when he starts asking your kids to lend him money.
Just a heads up.
He'a a putz, and you are just now realizing everything you put up with for so long... and your brain is unable to compute the enormity of it... hence, the numbness. Kind of like when Windows spontaneously shuts down. "I just can't take it anymore!"
But. As they say in my part of the country... "it is far better to be pissed off, than to be pissed on."