Answer:
It's shorter than the rest, but when you're happy, you raise it up like it's the best. What is it?
The little pink nub that helps rectify mistakes.
Come up and we go, Go down and we stay.
No sooner spoken than broken. What is it?
I'm the start of eternity and the end of space. There are two of me in heaven and one in hell.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?