You're the luckiest guy in the world.

你是世界上最幸运的人儿。

 

God bless you and yours, and surround you ever with his blessing.

愿上帝祝福你和你的爱人，永远赐福于你们。

 

This is truly a joyous time. Congratulations and good luck.  

这真是快乐的一刻。恭喜你，祝你好运。