The humans live brief lives and die of old age. The Hobbits are playing quite an important part in the stories of Tolkien. Hobbits are much shorter than humans. Even shorter than dwarfs. They live for about 100-120 years.
Hobbits love comfort.
Their favourite activity is eating. Adventures are by far too exhausting for them. So they prefer to stay at home and enjoy a quiet life. The elves Elves are known as the wisest and the most beautiful of all the races. They live as long as the world shall last unless they get killed by any enemies.