Everyone knew Tim, the grumbler because he complained about everything in a gruffly voice.
He got married, grumbled about his wife and kids. Living with Tim was unbearable for his wife. She couldn't stand him anymore and left.
Living alone, he fell ill. He realised life's meaningless without his family.
This is my entry in response to the 13th Zapfic Friday's Fifty Word Story Challenge prompt, "grumble".
You are invited to participate.