Eve accepting oneself and going with the flow is the biggest win one can have. In fact primary reasons for gray hair is Stress and Hair Colours. It screws up all the hormones.
I had my first grey hair at the age of 16, trust me I am going backwards, I had more grey hairs in my 30s (I am in my 40s now) just because of good food, yoga and meditation. I have not coloured my hair for over a decade now.