Answer:
I am quick when Iβm thin. I am slow when Iβm fat. Wind is my worst nightmare.
I twist and turn and leaves a loop
rub me and a genie might appear
I moan I groan I chase after you. I never seem to rest. Timeβs up for you.
The faster you run the harder it is to catch me
The more of me you take, the more I appear behind you. What am I?