Great story, range finders can be awesome or the reason you missed a chance to shoot.
Last year caught a bull crossing a shooting lane, had time to range and made a lethal shot. Loved my rangefinder.
This year caught a herd crossing a old logging road. By the time I was in position and ranged I had no shot. Stupid range finder. If I had of drawn the bow instead of ranging could have shot at a cow, but would have been shooting an estimated distance so who knows.
Either way it is a blast to get close and have a chance.