Yes that was what I was referring to. Lisa also talks about craning over to see the strings, but I have to admit I do do it. I am trying to break myself of this habit but its not easy, especially when chords become more complicated.
Personally I have not heard the straight wrist thing. And sometimes, on forums, people talk about subjects without real hands on experience. Sounds shocking but it happens.
So I just came across this. I think it will definitely clear things up. If Christopher has a curvature I would say you and I should as well
https://www.guitartricks.com/lesson.php?input=13958
This year the diet is definitely gonna stick!