DIFFICULT RIDDLES

I am something people love or hate. I change peoples appearances and thoughts. If a person takes care of them self I will go up even higher. To some people I will fool them. To others I am a mystery. Some people might want to try and hide me but I will show. No matter how hard people try I will Never go down. What am I?

Only one color, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

Who is that with a neck and no head, two arms and no hands?

What is it?

It can't be seen, can't be felt, can't be heard and can't be smelt. It lies behind stars and under hills, and empty holes it fills. It comes first and follows after, ends life and kills laughter. What is it?

If eleven plus two equals one, what does nine plus five equal?

What English word retains the same pronunciation, even after you take away four of its five letters?

Can you write down eight eights so that they add up to one thousand?

Which of the following words don't belong in the group and why? CORSET, COSTER, SECTOR, ESCORT, COURTS

What is it that given one, you'll have either two or none?

George, Helen, and Steve are drinking coffee. Bert, Karen, and Dave are drinking soda. Using logic, is Elizabeth drinking coffee or soda?