>>21 you live in the EU or in the US? (or maybe Tehran?)
I am asking to calculate the probability that you will be stabbed/beaten up/castrated/otherwise mutilated by her brother and his friends. Leaving islam is punished by death penalty. Or maybe you want to be muslim? Anyhow, an unequal coupling might also be a dishonour to the family. whatever.
Maybe you're lucky and she has a mega-tolerant family.