[You shouldn't have said that either, Dipper! Her smirk just only continues to grow as she was resisting the urge to laugh!]

Oh don't worry, I'm sure we'll find some way to make you thirteen! Whatever this place as going on, I think they'll eventually make you into a teenager! It shouldn't be that hard if we put our brains to it!

[Although, it sure does make her feel a lot older than him knowing he can't age! Power of the alpha twin, indeed!]

But until then, I guess you're just stuck where you are!