• Unhappiness is easy, you can be miserable in anticipation of misery.
• Unhappiness is easy, you can be upset in anticipation of upsetting news.
• Unhappiness is easy, you can be disturbed in anticipation of disturbance.
• Unhappiness is easy, you can be irritated in anticipation of irritating events.
• Unhappiness is easy, you can be annoyed in anticipation of annoying behaviors.