I am 30, is it bad, normal, weird or what, if I am only attracted to younger men, but I've never even flirted with a male in my life?

I have never had a boyfriend or even an eye contact with a male up until now... but I am only ever attracted to boys, ages 17 to 20 :( when I see a boy that age, my heart starts to beat hard and I can't control it? Is it because I have never had a man in my life? Or is it like a reverse lolita syndrome or something? It's not even sexual, I don't have the urge to have sex with them I just get so excited and weak, it makes my heart soften and break when I see a young man who still shimmers with his beauty of youth and innocence :( Is it bad that I still hope I can be lovers (non-sexual) with a boy that age?
I am 30, is it bad, normal, weird or what, if I am only attracted to younger men, but I've never even flirted with a male in my life?
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