There are some written, and unwritten, rules of how to conduct yourself in a gym, like basic manners.
Gym etiquette is something very few people know (or think) about, let alone actually do. But it has a huge impact on the people, equipment, and training space around you.
You hate to see people who have no regard for it, but respect those who do the right thing. Be the type of person who leads from the front and displays good gym etiquette.