Let yourself go. Fly a kit. Paint a picture. Scuba dive. There are millions of reasons why not, and a hundred excuses right at the tip of your fingers. The timing is never going to be right. Face up to it. Imagine having the confidence in yourself to soar by taking a risk and experiencing the reward.
Out of all those explorations a new passion emerges taking the entire focus of your existence for the time being. Stick to it. Nothing worth achieving comes easily, or without suffering.
The freedom within to try all sorts of things is inherent in a child and disappears with age sadly. Something can be done about it, though. You have to take the first baby step.