Honestly? I have a couple of reasons. First, to make my mother happy. It would mean a lot to her, and since my parents will be (likely) helping finance the wedding, there might be conditions attached. Second, I'm from a very Catholic culture. My extended family was big into the Catholic Charismatic movement which was (and is) big in Latin America. I've only been to 1 non Catholic wedding, EVER, so I have a hard time imaging a wedding without the Catholic ceremony. I'm an atheist, and I find the Catholic church in most ways quite awful, but it is very closely linked to my culture.