He did propose to her twice, but I'm assuming آپ mean the سیکنڈ proposal? The one in "Green Piece", when they got married? :)
Danny: "Look I'm tired of being afraid, alright? آپ and me, we make sense. You're everything I've always wanted. I wanna be with you, and I can be the guy آپ want me to be. I know I can, I am that guy."
Lindsay: "I know آپ are."
Danny:"Then let's walk through this door together. C'mon let's do it. Let's take that leap."