Why do most guy's say that I shouldn't chase women or just focus on yourself and do your own hobbies girls will come to you? ?

I done that for years and haven't gotten closer to girl than I did 4 years ago. So is that just bad advice? I'm still the same shy, nerdy, funny guy but got no girls. I'm working and making more money but I just get home and sleep 😮. So, now what? I do go out by myself and join meetups.

So, what did I do wrong 😕
Why do most guy's say that I shouldn't chase women or just focus on yourself and do your own hobbies girls will come to you? ?
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