Answer the questions based on your reading of the text. We often have somewhat less confidence in behavioral explanations that in physical explanations. Men are biologically weaker than women and that's why they don't live as long, a leading expert declares. He is just prone to that sont of thing. If God had meant for people to fly, He'd have given them wings.
Alcoholics find it so difficult to give up drinking because they have no willpower.
The reason I got in so much trouble as a kid is that my father became a heavy drinker.