Well, have you ever felt like you were in love with someone? If so, then it will feel like that but a million times stronger.
She's basically the ONE person who you can trust, tell anything to and she won't blab to others or judge you, she'll listen to you and you literally won't be able to imagine yourself without her... well, trust me when I say you'll know. When you meet her, you'll never want to let her go.