Niche Drama….Fat loss or Women over 50 starting over after divorce.

I am struggling to pick my niche. I like weight loss and women over 50 starting over after divorce.
Why I like weight loss, that is a subject I am always interested in for my own knowledge and trying to lose fat. but never that successful yet, so I don’t feel like I am an expert in that field. I do love my love story of starting over after divorce and remarried now. So I feel like I can speak about that and how I had to change my mindset and the tools I used in doing so. Thank you.