Answer:
The more of me you take, the more I appear behind you. What am I?
I have three feet but no arms or legs
I no longer have eyes, but once I did see. Once I had thoughts, but now Iβm white and empty. What am I?
I run up and down the stairs without moving. What am I?
An action done on mosquito bites
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?