Navigating the tricky world of relationships can be tough, and knowing when to move on is even tougher. Here are seven signs ...

“I never got to say goodbye to my son ... Everything just ripped away. I love you, Jordan Thomas.” Never miss a story — sign up for PEOPLE's free daily newsletter to stay up-to-date ...

“I never got to say goodbye to my son,” he said. “He was my best friend and everyone knew that. I wish I could trade places with him.” The crash is still under investigation, WRTV reported.

After all, you never know how a former co-worker might be able to help you out in the future. And if you work remotely or in a hybrid position and are unable to say goodbye to co-workers in person ...