Can't hit the (broad) side of a barn slang
If you say that one can't hit the (broad) side of a barn, you mean that he doesn't have good aim.
Jane can't hit the broad side of a barn though the target is just two meters away.
Although the players had many chances to score in the last minutes, they couldn't hit the side of a barn right.
People tend to like forbidden or illegal things just because they are forbidden or illegal.
He must have believed that stolen fruit is the sweetest, and he, therefore, cheated on his partner.