Answer:
hide me from your parents if you have done bad academically this year.
I am heavy forward, but backward I'm not. What am I?
The more holes you cover the lower I go.
I always go to bed with my shoes on. What am I?
I come without being fetched at night hides away as soon as daylight strikes. Although I may look small I am much mightier than what you can imagine.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.