Answer:
What begins with T ends with T and has T in it?
I mirror your actions.
You do not want me when you donβt have me but when you have me you don't want to lose me.
I am used when you jump off a bridge for fun.
Kings and queens may cling to power and the jesters may have their call. I am the most common but I can rule them all. What am I?
Long and slinky like a trout, never sings till it's guts come out.