Should a girl stay in a relationship with a guy if?

He was younger than her, acts jealous and starts fights over her interacting with anyone who is not him. He is nice and sweet and makes her feel safe, but does not like leaving his house, so he doesn't ask her out on dates and would rather have her over to his own place all the time, when she would rather they went out, to a quiet place or something... anywhere else, really. She has told him how she feels, but nothing has changed in that respect. It's important to add that he lives with his sisters who are nice and welcoming, but still...

Should a girl stay in a relationship with a guy if?
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