How do i decide my Future?

I Am 15 years old in my sophmore year of high school......i have been "dabbling" in almost everything to do with MEDIA that there is from.....a wide knowledge of computers,animation,music composition,acting,direct,piano player,painter(photoshop),special effects(vfx),and video editing,etc(and more)........and its hard decide what i want to do in life....i like all of these things....and fairly good at all.....Im just having a hard time picking which one ill have more success in for the long run......for job use....and money......Its hard to think about because most of all that is listed,I use on a weekly basis.....like Photoshop and flash........its just i want to have the right way to plan out my way to success without any setbacks....BTW - im the oldest of four girls(im an only boy)......so theyll be watchin me if i fail......Lucky's >:)......any ideas of how i choose....or what?