Answer:
You throw me out when you want to use me and you take me in when you don't want to use me. Who am I?
A warrior amongst the flowers, he bears a thrusting sword. He uses it whenever he must, to defend his golden hoard.
My second is performed by my first, and it is thought a thief by the marks of my whole might be caught.
What can bring back the dead. Make us cry, make us laugh, make us young. Born in an instant yet lasts a life time?
My first keeps time, my second spends time, my whole tells time.
What is so fragile that saying its name breaks it?