And variable. You can be highly intelligent today, but in ten years? A dumbass.

Modern media can turn a person’s mind to mush. People who stay sharp are the people who keep reading (books, not memes and comments!), who challenge themselves to learn new useless things, who stay active in mind and body.

I think we’ve all seen our fair share of people go through this as they age. They find a comfort zone and become programmed by their routine.