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

Jenkins was a man who loved nothing more than going on adventures. He always had a smile on his face and was always up for a new adventure. One day, while out hiking, he found a magical portal. He stepped through and found himself in a strange new world. He explored the landscape and met some strange creatures. Eventually, he discovered a tower that led to another world. He climbed to the top and found a portal that led back home. He was excited to share his discovery with his friends, but when he got there, he realized that everything had changed. His friends had all left him and he was all alone. He realized that this was just another adventure and that he would soon be back in the world that he loved.