What would you wish you had with you to express yourself? Would you choose a musical instrument? A pen? Pencil? I would choose a pen and paper to write, and a camera to take pictures. I live through being able to express myself in different ways, and photography is only one part of many ways I express myself. You perhaps are similar.
What person only chooses one mode of communication? What person only speaks in one way? We all express ourselves through different modes of communication. Some dance, some sing, some pray. Others write or act.
Have you noticed that wonderful art can speak to you directly, that someone who created it was finally able to assemble all the parts into an emotionally moving whole? Whatever shape or form this art takes, if it carries power for you, learn from it. Let it speak to you. If you practice art, then pursue it with all the drive you can muster. Pour yourself into the work. Never stop learning. Try, try again, and eventually what you create will speak to others in ways you never expected.
Photography is such an art form—a form of higher communication—which carries its own power and meaning for others when they see it. Does a photographer ever know for sure what they are going to create when they work at a session? Perhaps they have an idea, but they let the art form (and their practice as an artist) take over. They allow themselves to speak through the art, and the art speaks through them.