Why I cann't get a girlfriend?When I fall in love with a girl,she..............

That's life. You don't get everything you want. But it should not stop you from doing it anyway. Perhaps it's the way you do it. Perhaps you need to hone your courtship skills and make yourself look better. Confidence is the key. But if I were you, don't try that hard. Work hard to earn and to be better, then women will follow.