Answer:
I am heavy forward but backward I am not. What am I?
You do not want me when you donโt have me, but when you have me you donโt want to lose me. What am I?
What loses its head in the morning but gets it back at night?
If I have it I don't share it. If I share it I don't have it. What is it?
I am an instrument capable of making numerous sound but cannot be touched or seen.
If itโs information you seek, come and see me. If itโs pairs of letters you need, I have consecutively three. What am I?