Narrowing my niche/making my offer compelling

I’m struggling with the sub market category and making my offer compelling. Do you have any advice?

I want to help moms (who are struggling to balance their careers and personal lives?) overcome exhaustion and overwhelm so they can live, work and parent with more confidence, calm and joy.
Also, I’ve been listening to Brooke’s double your business series and I want to make my offer more compelling but I’m not sure how.

I want it to be along the lines of a joyful journey to work-life balance
Finding work-life balance and have fun doing it—or something along those lines.
Capitalizing on the idea that it’s our thoughts that dictate the journey and we can choose to make it a joyful one