The advice always seems to be, visit an art gallery and study the painting of Old Masters. Don’t know how close you are to an art gallery, but it may be a nice way to spend an afternoon.
Here is some video advice, a short one:
Another short one:
Doug Gordon’s promo video has a good lighting point at about 2:36:
And, a long one:
Frank Dispensa seems to be doing this on the fly, but he has good explanations:
Most of it is clear and detailed. He addresses men, women and couples.