Essay topic: A thief in my room

One night my sleep was suddenly disturbed by a noise in my room. I then got out of bed quickly and switched on the light.To my surprise, I saw a man standing in the corner of my room with a knife in his hand. I knew that he was a thief. I asked him what he wanted.The thief warned me not to raise the alarm. He even threatened to kill me if I made any noise. I was frightened and made no attempt to catch the thief or to call for help.The thief then quietly walked out of my room. He had found nothing valuable to steal. I then shouted for help; but the thief had disappeared into the darkness.