Originally Posted by
wolfie_cr
I am 99% certain that he was wrong on both counts (going on the other line and being able to go on separate lines), I would love to see the expression of the immigration official if he asks "are you married? where is your wife?" and then I answer "oh she must be waiting for me in customs....she just went through the citizens line"

Why would you be asked about where your wife is? Most people on this board would probably say "home, waiting for me" or "home with the kids".
I don't think there's an obligation to go through the same line when traveling with your partner. I see it more like a convenience.
HTB.