From the beginning of the story readers are able to guess where Matthew is headed. You use the prompt in an interesting way. Most writers took the opportunity to write about how people should seize the day. You write about how seizing the day without a thought to tomorrow can be hazardous to one's health.
You progress believably through the stages of Matthew's decline. He is warned, but doesn't listen. You create a strong arc and offer strong character development.
Thank you for sharing this with us, @marynn
Thank you so much for your feedback @theinkwell. I'm glad you found my story engaging. I decided to take the prompt in different angle to highlight the dangers of living recklessly. Your encouraging words mean some much to me.