I saw the free crash course and went through it , and then headed out the door and found the last copy of The New Cure at a brick and mortar. Read it in a few days while on vacation , an historically very boozy vacation, it helped to reinforce my BP, but certainly wasn't necessary, as has been said you(we) all have already what it 'takes' to decide " Never again, no matter what and to never change your mind" .
I'd say get the book, but it's not necessary, right Now is the best time for a BP , and since it's always right Now , it's always the best time for a BP
Onward!