Question: Is it normal for a younger sister to be overly protective of her older brother and who he dates? A younger sister who was once very friendly towards me got very stand-offish with me once she realized i was dating her brother. Is this normal? And why would she act this way if she did like me to start with?

Answer: I think it is fairly normal. I am a younger sister to three brothers and I think it can just make you nervous because you don't want your brother to get hurt and their is girls stepping into your territory. At first I  did'nt like any of my brothers girlfriends but after a while I was OK. Just give her time she'll eventually come around.
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