a wedding

My little sister is getting married in June and I am not thrilled with who she is marrying. I can't say I like the guy or hate him he just is what he is but my sister really likes him and she is happy. We all get to choose who we marry and she has to live with him so if she is happy that is all that matters. I just have one huge problem with the guy and because of it I don't trust his judgement. When he was 20 his girlfriend was 14, she lived with him and his family and they dated for 4 or 5 years. I just think that it is so wrong and that there is seriously something wrong with with a 20 year old who thinks that is okay and a family that supports it. Those are not people I want to be hanging around with on my free time. Anyway, like I said it is my sister's decision I just feel sad that I will never be able to allow my children to spend the night at their house. I honestly don't think that my future BIL would harm my children but I don't trust his judgement. I am sincerely happy that my sister has found someone to love even if he is her second boyfriend, first boyfriend to live in our town. I have realized that I wanted more for my sister than she wanted for herself.