Answer:
I start in little but I end in full you'll find me in half and complete.
I am merry creature in pleasant time of year as in but certain seasons I sing that you can hear; And yet I'm made a by-word A very perfect mock; Compared to foolish persons And silliest of all folk.
If you have me you want to share me. Once you share me you wonβt have me.
I make everyone blind. You can't see me but I will always come back for you. What am I?
I march before armies, a thousand salute me. My fall can bring victory, but no one would shoot me. What am I?
The answer I give is yes, but what I mean is no. What was the question?