My grandfather always told me that porn degrades the person watching it. He used to tell me after watching it, you'll have a harder time having sex with women because you were used to the porn scenes (perfect pictures) and nothing can compare.
NOW PICTURE THIS...
You're 14 and sitting with your grandpa as he's telling you this. Your grandma comes in and they wink at each other.
I swear, it took 15 minutes before I stopped barfing in the washroom...