For example, the irish, polish and the italians basically intermarried.
Many others have asked the same question in the past so you may want to find those and read the responses there. The right age for getting married varies depends for men and women.
They get hazed, they get questioned all the dating, they don't get sleep, they have people's online in their hands and have to struggle to be example in what they know, but not too egotistical to kill someone Give first the benefit of the doubt advice some space.
If you try to deconvert her I suggest indirectly at first.