I remember making my own window valance for my bedroom when I was 12. I couldn't drive myself to the store, so I cut-up a sheet, pulled out my mom's sewing machine and made my own valance. My mom showed it to all her friends, and I felt pretty good about it.
I also decided to remodel the same room when I was 16. I added chair railing, and changed the closet doors for the louver style. I had to rip down the doors to make them fit, then had to tear out the old molding and add new. My mom thought I was crazy.
Years later I'm pretty sure my mom and dad have realized I'm not so crazy anymore...
I just inherited creativity.