Like many others I'm looking forward to my first SQ First class trip with my wife. We are in 1CD, but 2CD is also open. Seat guru mentions that 2CD is best for couples. But I don't really see a difference on the map.. I'm guessing that either row will be great, but want to make sure that I'm not missing something should I keep 1CD. Does anyone have experance or a recommendation for couples sitting together on a SQ Boeing 777-300ER?