I know the whole "Depends on the world" arguement will be thrown in here. But what are the Imperiums, the Ecclissarchy, and the cults of the Imperial Creed stances on marrage?
(Note: This is a pure "Out of Curiousity" question, and has no bearing on any campaign that I have, or am playing now. However it may be useful for the future of our wonderful rollplaying setting)