Hallo, wie geht es dir? See also German.
Nothing. They didn't know each other.
A horrible boating accident.
Both his legs were amputated. He can never ride a bike again.
Feathers. Two hundred pounds of bricks is just a bunch of bricks, but if you try to carry 200 pounds of feathers, you also have to carry the weight of what you did to those poor birds. See also Birds.