Answer:
What can you catch but never throw?
I belong to you but others use me more often than you do. What am I?
My first 2 letters signify a male. My first 3 letters signify a female. My first 4 letters signify a great. I signify a great woman. What word am I?
I march before armies, a thousand salute me. My fall can bring victory, but no one would shoot me. What am I?
I open to close but I close to open. I'm surrounded by water but I'm never soaking. What am I?
No matter how little or how much you use me, you change me every month.