Kwon Sang-woo and Son Tae-yeong, despite 3 years in marriage "Still honeymoon couple"

A recent picture of kwon Sang-woo and Son Tae-yeong is drawing attention.
Pianist Yiruma put up on his Twitter on the 5th, "I had dinner with my sister-in-laws. It was a lovely weekend...they look so pretty together!" Yiruma married Son Tae-yeong's sister Son Hye-im in 2007 and is brother-in-law with kwon Sang-woo.
In the picture is kwon Sang-woo and Son Tae-yeong, now 3 years into the marriage, with their faces close together showing love. Son Tae-yeong has her left arm around kwon Sang-woo's shoulders and her left hand is holding his arm. He is wearing a beanie and she is as always beautiful as ever.
Those who have seen this picture say, "Ther are such a pretty couple! I'm jealous...", "They look like they're still just married", "Yiruma your couple is pretty too~".
Meanwhile, kwon Sang-woo and Son Tae-yeong married in 2009 and have a 1-year-old son named Luke.