Prompt: Write a short story about a man who discovers a magical portal

Jeffrey had been lucky enough to find a job as a security guard at a busy shopping mall. It was a great job and provided him with a comfortable living. He was happy until one day he discovered a magical portal. Through it he could travel to different worlds and explore them. Jeffrey was skeptical at first but decided to take the risk. He found several interesting worlds and was able to explore them all. He even met some interesting creatures. Jeffrey loved the new experience and continued to visit the different worlds. One day he even traveled back in time. Jeffrey was amazed at the different technologies and how much things had changed. He was also surprised at how some things had stayed the same. Jeffrey was happy to have discovered the portal and the many worlds it allowed him to explore.