Short Riddles and Answers

Question: Everyone asks for me but yet everyone hates to face me ,for someone I am agony for others I am relief! Who am I?

Question: When you fall in me your as happy as could be, but you fall into depression when you lose me.

What am I?

Question: The doctor gives you three pills and tells you to take one every half hour. How long before you run out of pills?

Question: I'll bring out your bulls,
and slow your roll.
I may even come out of your skull.

What am I?

Question: I always listen to my Master, I never disobey. From my path I never stray to destroy what's in my way. What am I?