" If that bear was a grizzly, I would NOT have gotten out and "played" with it. "

No offense, but I think you should have stayed in your truck anyway. What you did is just as ill-conceived as feeding the bear. To approach any wild animal that closely, and/or to fail to withdraw if possible, is (IMHO)poor woodsmanship. By the way, I believe Black bears account for far more attacks on humans than do Grizzlies.

My concern isn't just for your personal safety, but also for the animal. No bear should be encouraged to get that close to a human... regardless of WHO has to retreat. I believe that if a wild animal approaches you .. or lets YOU approach it.. that closely, something is wrong.
.... just IMHO