it would be cool if all the soliders weren't male.i mean what is the army gay

They're not. There are as many female marines and Spartans as male ones.

If you read the books you will understand
a lot more. They give answers to all or
your theories and thoughts. Trust me give
them a try. I am not the type of person
that loves books but when I read the first
page of "The Fall of Reach" I was hooked.
Trust me! Give the books a try.