Suddenly the thought that the end of her life was imminent shocked him; it was one thing to pity someone he didn't know, quite another to face the same dilemma with someone he knew intimately. That was the trouble with beds. They turned strangers into intimates more quickly than ten years of polite teas in parlours.
It's probably not easy for a woman to understand what it's like to be a man. Imagine you're starving, and someone puts a huge buffet in front of you. There's delicious, mouth-watering food all around you, and it's really really hard not to eat it all. That's what it's like to be a man around attractive women. The urge to want to hump everything that moves is part of a man's natural programming. It's a deep-seated hunger. To suppress that hunger takes civilization and a lot of willpower.