Some quick translation about the video …
Q to Shinhye: How do you feel dating Jung Yonghwa?
Shinhye: Not bad. Actually I feel really happy coming with Yonghwa. I think Yonghwa’s fans will envy me.
When Yonghwa sees Shinhye laugh so hard, he says, “Don’t cry, Kyuwon, don’t cry … ”
Many thanks to littlemo and cnpink @ weibo for Chinese translation.