why do people wish they could fly like a bird?

species: greenish naked-backed fruit bat (dobsonia viridis)
genus: dobsonia (thirteen species)

somebody told me that they overheard
noah’s son japhet wish he was a bird.
someone said the same of ham and shem,
and it made me kinda mad at them. 
i checked for myself, and saw the boys drape
sheets on their shoulders like wearing a cape,
then ham exclaimed, “…