If in the first act you introduce a gun, by the third act you have to use it.
When a woman isn't beautiful, people always say, 'You have lovely eyes, you have lovely hair.'
A good upbringing means not that you won't spill sauce on the tablecloth, but that you won't notice it when someone else does.
You must trust and believe in people or life becomes impossible.
Be sure not to discuss your hero's state of mind. Make it clear from his actions.
Try to reason about love, and you will lose your reason.