You are an emergency worker that has just been called to the scene of an accident. When you arrive you see that the car belongs to your spouse. Fearing the worst you rush over to see that they are trapped in the car with their lover.
They see you and although barely conscious, they manage to mouth the words “I’m sorry”…
You don’t understand, but their look answers you question. The person next to them is their lover with whom they've been having an affair.
You reel back in shock, devastated by what your spouse's eyes have just told you. As you step back, the wreck in front of you comes into focus. You see your spouse is seriously hurt and needs attention right away. Even if attention is sought there’s a very high chance they'll die.
You look at the seat next to them and see their lover. They're bleeding heavily from a wound to the neck and you need to stem the flow of blood immediately. It will only take about 5 minutes to stop, but it will mean your spouse will definitely die.
If you tend to your spouse however, their lover will bleed to death despite the fact it could have been avoided.