The only luck is bad luck.
Shut up before I stall my poi up your ass 
p|.q|r:|::s|.s|s:|:.s|q.|:p|s.|.p|s
kind of physics... at least the way I hold-em-poiker
(between thumb and indexfinger) - if you go with wobbly-wrists you actually might not face the problems I do (with stiff-wrists)
the best smiles are the ones you lead to 