In order to foster less resentment from my fellow players (IE, my family) on enemy rolls. We added red dice to represent the enemy. So this allows the player to roll all the dice at the same time. If the rolls explode, we have enough of each color to cover it.
This way, the player is responible from his own crappy rolls…. both his and the enemy. Because there are two different color dice, we can track which is the hero and which is the enemy