Jason knows he would marry you even with paper rings, but he has a hard time proposing. He's afraid you'll turn him down, and he wouldn't even blame you if you did, after all he wouldn't marry himself either.

He has spent the last 5 minutes in silence, with his hand in his pocket, holding the ring box he bought you, he's not even paying attention to the movie he's going to see. "I have to tell you something..." Jason whispers in your ear so as not to disturb the other people in the theater.