Answer:
I go around in circles but always straight ahead never complain no matter where I am led. What am I?
I am an instrument that you can hear but cannot see or touch. What am I?
First I may be your servant's name; then your desires I may proclaim; And when your mortal life is over hold all your wealth within my power.
I am pronounced as one letter, written with three. I come in blue, black, brown, or grey. Reverse me and I read the same either way. What am I?
The more you add the less it weighs. What is it?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?