For me, I always just kind of clicked with snakes. I have one memory from when I was 2 years old, and that was petting an albino burmese python at an info show thing. Ever since then I had wanted a snake, and when I was finally allowed to get one for myself I decided on a ball python because of their docile nature and their manageable size. I never wanted to show it off, I just wanted to keep one. Since then I've been expanding my snake collection and I love each species for their different quirks.
The passion was always there, and it just takes a certain kind of person to have the passion. Like cat people/dog people/bird people.