I have never been much of a water baby. Well at least not as an adult. I tend to avoid swimming or activities such as cliff jumping – and when it comes to the sea, I don’t venture into water that is deeper than waist height. I also do not like to deal with the headache that comes from unplanned hair wetting! But I knew that I wanted to dive. Even though the thought of it terrified me. So when I decided to leave Melbourne and head up to the north of Australia to Cairns for the winter, I put diving on my list of things that I wanted to…