Girls are one of the best things in life --- almost every guy will admit this fact. Guys are into girls --- including those who say they're not into girls. They can lie about that, I swear. However, even though guys are, naturally, into girls, they still have certain preferences when it comes to someone they will actually like. You need to understand the concept that men, like women, have standards as well. And most of the time, they rely to the signals that you send them before the green light flashes and it's their cue to finally approach you. It's actually never that hard to attract a guy. To make it easier for you.
So why does guy's love girl's? Pretty simple isn't it? The answer is right there all along. Just be your absolute adorable self and guy's will be the one's approaching you. It's never hard to be liked. You must, however, like yourself first. Everything else will just follow.