If I was ever a snow man, I would throw snowballs at people, but when they look to see who threw the snowball, they wouldn't be able to find anyone because I technically shouldn't be alive. I'd also chase people:)
Yes, 7/10=0.7 1/2=0.5
0.7>0.5
therefore, 7/10>1/2, therefore more than half of the human body is composed of water
He just tries to say what the character is doing to get an idea of the story