Answer:
If you lose me, you may cause people around you to lose me too. What am I?
I march before armies a thousand salute me. My fall can bring victory but no one would shoot me. The wind is my lover one-legged am I. Name me and see me at home in the sky.
What flies without wings?
I am a key that is playful. What am I?
I repeat only the last word you say. The more I repeat, the softer I got. I cannot be seen but can be heard. What am I?
The answer I give is yes, but what I mean is no. What was the question?