Maori (new Zealand) Legends
It seems that his father, grandfather and great-grandfather had all been able to walk on water on their 18th birthday. On that special day, they'd each walked across the lake to the tavern on the far side for their first legal drink.
So when Wiremu's, 18th birthday came 'round, he and his pal Rangi, took a boat out to the middle of the lake, Wiremu, stepped out of the boat ... and nearly drowned! Rangi, just barely managed to pull him to safety.
Furious and confused, Wiremu, went to see his grandmother.
'Grandma,' he asked, "It's my 18th birthday, so why can't I walk 'cross the lake like my father, his father, and his father before him?"
Granny looked deeply into Wiremu's, troubled brown eyes and said, "Because your father, your grandfather and your great grandfather were all born in July when the lake is frozen, you were born in December,