Wellness goes way beyond physical health, it includes mental and spiritual well-being as well. The article Dimensions of wellness: Change your habits, change your life from 2017 by The Canadian Veterinary Journal, discusses the dimensions of health and how "wellness encompasses 8 mutually interdependent dimensions: physical, intellectual, emotional, social, spiritual, vocational, financial, and environmental", and how it does not have to be the same for every single person but instead we should "strive for a personal harmony that feels most authentic to us."
If you want to read more about the dimensions of wellness, change of habits, and self-awareness, click here.
Reference
Stoewen D. L. (2017). Dimensions of wellness: Change your habits, change your life. The Canadian veterinary journal = La revue veterinaire canadienne, 58(8), 861–862. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5508938/