The answer to that one could be very interesting to someone that's 7'7"...Why would anyone want to be 4'5''? What do you plan down there?
Taller, always taller. Why would anyone want to be a bloody dwarf?
4'5".. 7'7" is waaay too tall. At that rate I'd own basketball and I'm pretty sure i'd be rich but i'd never be able to have a girl kiss me while standing straight..
So they can get a role in Lord of the Rings movies!