Doing your open water diver course or advanced open water course can be a lot of fun. You learn a lot of skills to handle problems under water so your dives will be safe and comfortable. Also you see a lot of new things, the under water world is an complete different one then the one you are used to. All kind of corals and animals with their own color and camouflage. also a lot of different behaviors. When you do more and more dives on your own or guided, you will spot a lot of new things and started to look at behaviors of animals. Diving is such a fun experience.