Ryan Gosling -- Booty Comes with Obligations

4/2/2010 10:10 AM PDT BY TMZ STAFF
Ryan Gosling knows that nookie doesn't come without a price -- and if you ever got any action after agreeing to watch "The Notebook," you might have to do something special for your mate ... like build her a telescope.

Ryan Gosling: Click to watch
Watch the clip -- it's pretty funny.