Why are Colleen Hoover books so popular?

Colleen Hoover (CoHo) is a romance author and BookTok sensation who has sold over 20 million books. Whether you enjoy her books or hate them, you can’t deny their popularity. So, what can authors learn from CoHo’s writing? I’m going to break down some things Colleen Hoover does really well in her most popular novel It Ends With Us.