i wrote it for my wife years before i met her... i overheard a conversation between a married couple, they were suggesting which friends they might like to "hook up" with in the event that one of them died, the girl recommended which of her friends would be good for the guy and vice versa.
Basically, he's just saying that his wife will be irreplaceable. No matter what, she will always be his soulmate, the one person that's perfect for him.
Josh said this on the Showbread forum:
i wrote it for my wife years before i met her... i overheard a conversation between a married couple, they were suggesting which friends they might like to "hook up" with in the event that one of them died, the girl recommended which of her friends would be good for the guy and vice versa.
Basically, he's just saying that his wife will be irreplaceable. No matter what, she will always be his soulmate, the one person that's perfect for him.