From an instructor viewpoint, with that sharing and teaching comes responsibility to impart on your students the knowledge needed to dive safely.
Scuba diving is a great sport and like any activity it is not without its risks.
You are never too old to set another goal or to dream a new dream. – C. S. Lewis
Well you have accomplished the first step by getting certified as an Open Water Scuba Diver. What you will need now is experience, training and time.