United Kingdom, Feb. 11 -- Ryan Coogler will take "lessons" from Chadwick Boseman for the "rest of [his] life".

The 39-year-old filmmaker admitted the 2020 death of his Black Panther star from cancer made him realise he had spent too much time worrying he was "unworthy" and not enough living in the moment and appreciating what he had.

He told The Hollywood Reporter: "Engaging with him on an artistic level, conversations that will forever just be between me and him - I was about 30 years old, stressed, completely out of my mind, sleep-deprived, convinced that the movie wasn't going to work.

"I robbed myself of truly enjoying that privilege - even of sitting there and enjoying the countless Chadwick Boseman takes, because he didn't have ...