I've also been blessed by experiencing three of Leonard's concerts, but I know of at least one person (a friend I just met in person over the weekend) who has been to 20 ...
No matter how many, it takes only one to realize your life has been changed, and to see a change in your outlook on things. It's like BLC and ALC (before and after your first "experience" with Leonard).
I'm grateful for the time I've spent involved with members of the Leonard Cohen Forum. You all know who you are ... and you are the best.
Happy trails, everyone, until we meet again.
Misty Marie