How to Avoid Heat Damage on Your Hair

I hate to admit it, but this isn’t my first time dealing with heat damage. Sadly, it's my second. I thought I’d learned my lesson the first time (about nine years ago), but clearly, I was wrong. After four years of growing my natural hair, this setback feels frustrating and discouraging - especially since it was my own doing. So, how did I end up here again? What mistakes am I repeating?