Ok, I'm going to share with you my secret weapon for countering any argument about being too old for something or about something being for little kids. If you want people to stop telling you that you're too old for something, no matter what it is, even if most people your age would never watch that show, this is what you do. It's actually one of my best tricks. I even used it when telling some of my friends that I watch MLP FIM. Works every time, I swear.
So here's the secret. Now the world will know.
[spoil]
If someone tells you that you're too old for something or that something's for little kids and you're an adult, play the Ducktales theme song. That's it. That's the secret. Guaranteed, they'll never tell you that you're too old for anything, ever again. And you can be anywhere or doing anything when you do this. You could be on your computer, or at the mall or somewhere you have access to the song. All you have to do is play the theme song. As soon as they're humming that song, they will never bother you again, about being too old for a show or it being too kiddy for you.[/spoil]
It really works as well as it sounds. Try it next time someone tells you that you're too old for something.