"Friendship arises out of mere Companionship when two or more of the companions discover that they have in common some insight or interest or even taste which the others do not share and which, till that moment, each believed to be his own unique treasure (or burden). The typical expression of opening Friendship would be something like, 'What? You too? I thought I was the only one'..."
The ratio of good to bad people in this world will always be tipped in favor of the latter. Always. But that ratio in your own social circle, you can control. And there, and only there, can the balance be favorably tipped, so that those who love you far outnumber those who don't.