there was the one where he violently beat my mother and threatened to shoot her (gun in her mouth).
alcoholism for the loss. didn't see him for another 35 years.

however, my step dad drag raced, ran scca, was an official at Lakeland International speedway in the 70's (12th birtday with don garlits) and ran circle track for almost 20 years, got me interested in cars, taught me to drive, shift, and launch.
also forced me to learn how to pull tranny's and change motors!!