My all time favorite book that I will always recommend is “If you’re in my office, it’s already too late.”
Here’s a link to it and a very great interviewthat hits on some points on the book.
The premise is a “what not to do” book from a divorce lawyer fingering out what essentially went wrong. It’s also a HILARIOUS book with amazing voice.
I know this sounds like bull shit, but crystal nail files. I never EVER grew my nails long because they always broke. The nails in your pics were longer than I ever had mine. I bought this super cheap set on amazon and I started just shaping them every weekend (it was more like every two weeks lmfao) and eventually, as I started practicing not using my nails for ANYTHING, that combo finally made them grow