Easy Riddles and Answers

Question: I like to twirl my body but keep my head up high.when I go in everything becomes tight. What am I?

Question: sedentary stop + sudden start = ?

Question: What didn't Adam and Eve have that everyone else has?

Question: It cannot be seen, It cannot be felt, It cannot be heard, It cannot be smelled, It lays behind stars and under hills, and empty holes it fills. It comes first and follows after, ends life and kills laughter. What am I?

Question: Hard, Harder, and Hardest are brothers. By age from youngest to oldest, it goes Hard, Harder, Hardest. Hard is half the age of Hardest who is 20 which means hard is 10. Harder has a two-year difference between the number of years older he is than Hard and the number of years younger he is than Hardest. Harder is closer to the age of Hard than Hardest. How old is Harder?