Age is just a number, and following all the rules is not what the free souls do. Of course, with time comes maturity, but who says you're too old to do something you love to do, even if it is completely immature for people your age!
Here we have 8 such childish things that even the grown ups love to do and they just can't do without it!
Tell us more about the stupid but equally justifiable things you do without giving a damn to the world!
Mostly the answer is no.