1. She is the goddess of the moon and the hunt
2. Her brother is Apollo
3. She is a maiden goddess that swore off of men
The missing word in the statement above is: life satisfaction. Most middle-aged adults list life satisfaction as the most important factor in happiness. According to the experiments related to life satisfaction, people become older because they become wiser and more knowledgeable and they begin to see that life would be better. This is based from the psychologists, Yuval Palgi and Doc Shmotkin.
i think it may be the second one