I don't get it. I'm not talk abt a year but 5 yrs together. I mean by law after so many years they…

I don't get it. I'm not talk abt a year but 5 yrs together. I mean by law after so many years they consider you married I don't understand. I'm gonna marry my fiancé but not gonna get his name tatted... I makes no sense to me. Or they will buy a house together .. Hello credit scores involved?!