Answer:
No matter how little or how much you use me, you change me every month.
I always run but never walk often murmur but never talk have a bed but never sleep has a mouth but never eat.
Who is your mother's only sister's son's brother's aunt's daughter's sister's father?
I always go to bed with my shoes on.
I go up and I go down, towards the sky and the ground. Iβm present and past tense too, letβs go for a ride, me and you. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.