Constantly monitoring the air gauge of my divers. Constantly assessing my environment and all relevant factors in order to adapt. Constantly watching at my divers.
With authority. Seriously but with a smile to ensure a relaxed atmosphere. With a careless attitude.
Short but complete and pointing at the specificities of the dive spot and present conditions. Mainly focusing on the general safety rules. As long as possible.
By establishing a relation of trust through a good briefing and a personal attention. By imposing your authority and superiority. By scaring the divers if they don't follow you well.
The good following of the planned path and then the safety of the divers. Ensuring the safety and well-being of the divers before following the planned path. Optimizing the dive by all means.
This is a difficult task. The eventual stress of my divers is none of my concern. By looking into their eyes or looking at their bubbles.
Air consumption, decompression limit and the well-being of my divers. Only the well-being of my divers. Only the air consumption of my divers.
Divers fall asleep. Divers may confuse who is the guide. A flashing light for the guide is a great idea. Divers may confuse who is the guide. A colored light for the guide can help to prevent this problem.
The practise of the tank removal and the weight removal. Weight adjusting, regulator recovering, full mask emptying and buoyancy control. Natural orientation and with compass.
Yes. It depends. No.