Parvati
He's not. He may walk, talk, and act like him... But you've no history together. All the wonderful memories you have of him, of your wedding and your life together didn't happen here. You don't think that's a little strange, for you have have all of those memories of 'him' but for him to only know you as that woman who showed up at his door insisting that you're married?
I'm just playing devil's advocate. Isn't it my place, as your best friend, to try to make sure you're making the best decisions for yourself?