This week on The XYZ Experiment, we’re opening the door to a very personal piece of our past — our childhood bedrooms.

What did your room look like growing up? Were the walls covered in posters? Did you choose the paint, rearrange the furniture constantly, or have absolutely no say in how it looked? And what were the treasured possessions that made that little space feel completely yours?

For many of us, our childhood bedroom was the first place we got to express who we were or who we thought we were becoming. It was where we listened to music, studied, daydreamed, fought with our siblings, talked to friends for hours and occasionally slammed the door on our parents.

But what happens to that room when we grow up and leave?

Does your childhood bedroom still exist? Do your parents still refer to it as “your room ...