Feeling old for gaming.

Next month I complete 43 years old, and I'm feeling like an idiot when I game now. Should I feel I'm wasting precious time when I game? Or is it just that my interests are shifting as I get older? Gaming used to be a way to unwind and have fun, but now I wonder if it's still worth the time I spend on it. Maybe I need to explore new hobbies or find a different balance that feels more fulfilling.