I keep changing career ideas. I'm going mad

My dad said Interior designers don't make money after i told him i might want to do that. I do want to make a lot of money so i X'd that out. Then i was deciding bet. being an OB-GYN or Dermotologist. That's A LOT of school but i think i can do it. I'm leaning towards Dermotology, i've always liked learning about that. But sometimes im just so confused!!