Why these two guys are legends

Marty Croft (on Rotten Tomatoes): Everybody always said we were 30 years ahead of the time. Now we're only one year ahead of the time.

Fifteen

So, there's a pretty good Taylor Swift song that has the chorus:

"And when you're fifteen
and someone tells you they love you
you're gonna believe them..."

to which I would like to append,

And when you're fifteen
and you tell someone you love them
you're gonna believe it...