How have you found your own creative style?

For visual and other artists: how did you find out what your style was? I feel like I have no style at all and am always grasping at straws for subject material. I had a thought not long ago that I should just change styles with every painting, like a chameleon…why does one have to be bogged down to one particular tenor of vision?

I feel like it is effortless for some people and I have to work really hard at it.