I'm only 5ft 7 tall, so at bang on 6 inches I was always in good proportion, so to speak. I guess as I've gotten older I've shrunk a bit, so probably 5 3/4 now, but I don't measure, in case its less!! Anyway, it seems to work ok and I can still make quite a big gooey mess so thats what matters.
When I was young, my best buddy was even shorter than me, and he used to say 'Big man, big cock, little man, all cock'. He never went short of chicks so he must've been right!!
