I feel like this is a little awkward topic...but, it mostly goes the same way as in real life. You don't expect to bump into someone and go FBI on them. You slowly get to know them, from a simple "Hi," or a "hello". Even a RP request. Slowly, maybe you start gaining their trust, and you can form a friendship! But of course I'm not talking about this place as if you were thinking of a date site. I'm talking about how to make friends, bonds between people. I'd never think of sending a PM just to get a boyfriend/girlfriend. :s