Why doesn’t it matter that boys didn’t like me when I was in middle/high school?

Boys didn’t like me when I was in high school / junior high, and people keep telling me that shouldn’t matter anymore, and to “get over it”. But I don’t get it… why would it not matter anymore? 🤷‍♀️
Why doesn’t it matter that boys didn’t like me when I was in middle/high school?
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