I would say they should once they are 18 because their brain should be developed enough to know right from wrong. Unless they have a mental disability.
Answer:
This question is highly subjective lol. My answer would be the former (loyal Muslim opposed to constant cheating American)
Explanation:
If your thing is to be cheated on then by all means go for the American girl, but personally I'd rather not be in a relationship as such. I feel like this question is only difficult for people who reeeeally don't want to date Muslim women, unless they like being with women who sleep with many other men.
I'm curious to know what class this question was asked for and what your answer is though