Throughout my life, I have had different passions that came and went, some very odd ones as well. Here is what has stuck with me, and things that I'm currently passionate about.
Music - This passion had started when I was young, and has never died. I play guitar, and like working with synthesizers. Main genres are rock, classical, and ambiance.
Philosophy / Theology - I've always been right into philosophical issues. Mostly, it is the existence of the universe, and the relation to it and consciousness. However, more than a year ago, it went overboard. Extreme stress, and an alcohol binge, slowly developed a manic/delusional state, and all the answers seemed to become too clear. During my brief psychosis, I was able to identify the hidden workings of the universe, matter, and consciousness, and fried my brain. Recovery required therapy, medication, and me to accept that it was all a delusion, and I have been working on keeping philosophy at a minimum. I have been partly successful at disengaging my interest in philosophy, and I focus more on other things that pertain more to living life, and being critical of my own ideas.
Making people laugh - I don't know why, but it makes life worth living.
Creating video games - When I was very young, I had a very old computer running MS DOS, and went nuts with QBasic. Ever since then, I loved software programming, and I like using it visually, including creating original, interactive games, and playing with graphical shader effects. Currently, I'm most comfortable with C++, and C#.
Magic - I had a magic kit when I was young, and loved freaking people out at school. But as I grew older, I gave it up. About a year ago, my friend couldn't stop talking about her beliefs in ghosts, psychic mediums, and other paranormal stuff. To prove to her how easy it is for us to be fooled, and draw inaccurate conclusions, I have gotten back into magic again, particularly mentalism. I never tell the secrets, but I do explain that they are merely illusions and distorted thinking/perceptions, yet still try to retain a magical rapport and experience. I just love entertaining people with it. It is a beautiful art.
Landscaping / Aquascaping - I love gardening and hardscaping, and strive to complete a living environment that promotes relaxation, serenity, and mystery. Some of this is applied to making terrains for 3D games. I also grow gardens, and have built a good sized pond. Currently, I'm taking college training to be a landscape technician.
Psychology - In regarding my own mental health, guiding other people with theirs, and also using it for mentalism. I am very intrigued with the mind, how people are influenced and make decisions, and how we perceive events of the inner and external world. I strive to be more influential, and try to accept differing personalities of people. This is what brought me here, the INTP forums :P.
Mingling and socializing - A big undertaking for me. Even though it is a weakness, I see big benefits in getting more experience with it. Not only can it help me open possibilities and gain a social network, it also can help ground me back to a more realistic view of what living life is all about. Combined with my other passions, learning to socialize can really expand my skills and show them off.