Answer:
What is it that you ought to keep after you have given it to someone else?
What kind of nail can be grown?
It belongs to you, but other people use it more than you do. What is it?
Is always in front of you but cannot be seen?
What can be broken without being touched?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?