Please help me write a string-a-long story (it doesn't need to be very long)

a string-a-long: In string-a-long stories, every word counts—literally. The title is one word. the second sentence is two words. The third sentence is three. You keep writing as long as you are able. There are two things that you have to watch. First, because the word count is so specific, every word must be exact and vivid. Second, your sentences must be grammatically correct. Watch for fragments and run-ons.