Answer:
I am the beginning of the end and the end of time and space. I am essential to creation and I surround every place.
An action done on mosquito bites
Better touch me before you proceed to second. What am I?
Mr. Red lives in the red house. Mr. Blue lives in the blue house. Mrs. Pink lives in the pink house. Who lives in the white house?
Lighter than what I am made of. More of me is hidden than seen. What am I?
No matter how little or how much you use me, you change me every month.