They're giving you good advice. Relax. Be yourself. Talk to her. If you can't talk to her, then maybe she's not the one. All you can do is try.
I don't know under what circumstances you see her, but you have to say something to her in order to ever have a relationship. Start small, but make it meaningful. For instance, if you see her every morning at the bus stop, tomorrow, take a deep breath as you approach and say something like, "I like seeing you here every day." Then smile. If that's too direct, simply say, "Good morning."
If she's into you, the day after tomorrow, you'll know it. She'll look directly at you and smile. She'll expect more communication. If she avoids eye contact the next day or suddenly disappears, the "could be" is over. Be direct and confident. Women love it.
