I remember as a teen being able to eat more than my father. I was growing so fast and my body couldn't keep up.
I love to sing old Motown songs to myself, or some Patti Smith Edith Piaf or Billie Holiday. That gets me in the mood for singing.
Starting out to make money is the greatest mistake in life. Do what you feel you have a flair for doing, and if you are good enough at it, the money will come.