Alec:You can't be here.
Magnus:I can't be anywhere else.
Alec:No, you don't understand.We can't be together...
Magnus:Asmodeus can't come between us again. I know about the deal. And why you did what you did.
It's... it's OK. I...
Alec:there's something I had to say...
Magnus:I know. Needless to say...you forgot something back in New York. Alexander Gideon Lightwood...will you marry me?
Alec: Only if you'll marry me too. I love you.
Magnus:I love you too, Alexander.