Girls, Why does my sister do this?

So every time I explain to her about the guy I like and the things happen between us, she always puts out a negative feedback. Like, I was telling her about an interaction between him and I and how he was being flirty. My sister rolls her eyes and goes why are you always talking about that situation? And then she will immediately say things like “ yeah well he was looking at other girls too”. I know some of you will say oh she’s just being a sister and just protecting you. No, I don’t need that kind of negativity energy. If I like someone, and I tell somebody like my sister about them, I expect them to make me feel good about it. Not to ruin my mood in the process. I’m the type of person who I express my thoughts and feelings to the people who are closest to me. I just don’t understand why she has to say something to make me feel bad about it. Like she makes me feel bad for even liking someone like him?

Girls, Why does my sister do this?
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