Some impressive pointers... When males do have a face-off, they will lock their horns in a competition to determine the stronger puller;. Sometimes two competing males are unable to unlock their horns and, if unable to disengage, will die of starvation or dehydration.
Sorry to hear about your dog - I had a labrador cross with epilepsy and the vet said it was about as common in dogs as it was in humans - there are medications to get it under control
Cool shot