Theft of Vitae vs. Theft of Vitae

Vampire A has, say, 6 Capacity and 5 blood. Vampire A plays Theft of Vitae at superior. Vampire B has, say, 6 Capacity and 4 blood. Vampire B plays Theft of Vitae at superior. So, strikes resolve simultaneously. Vampire A gains 2 blood and loses 2 blood. Does anything happen before the other (and therefore blood draining of)? Or does nothing change. Card text Theft of Vitae Combat Ranged strike: steal 1 blood or life (becoming blood). Ranged strike: steal 2 blood or life (becoming blood). Prince of Bonn, Germany

Both Theft of Vitae resolve simulteanously, leaving A at 5 blood and B at 4 blood. A gains 2 blood and loses 2 blood at the same time, so no blood drains off. Prince of Paris, France Ratings Coordinator, Rules Director