“When someone tells me they want to start a diet, I'll suggest they start by aiming to drink half their body weight in ounces of water every day. It's much easier to add a habit than to take one away, but the water goal is a challenge. When they conquer that for the month, they've set a new standard for achievement and can add on something tougher.”

American author, motivational speaker, and blogger

Rachel Hollis is an American author, motivational speaker, and blogger. She is known for her self-help writing, especially the books Girl, Wash Your Face and Girl, Stop Apologizing. Her work centers on personal growth and encouragement, and she has built a large audience through books and blogging as well as speaking. The tone of her writing is direct and practical, aimed at helping readers think about motivation, confidence, and everyday change.