All science requires mathematics. The knowledge of mathematical things is almost innate in us. This is the easiest of sciences a fact which is obvious in that no one's brain rejects it for laymen and people who are utterly illiterate know how to count and reckon.
To be honest marriage doesn't scare me and that it's just once you've been together for so long if you haven't got any kids it's just a big expensive day out for everyone else to enjoy isn't it?