We all know that being self-centered is a bad thing. Or is it? The newest dating trend, “selfish dating,” encourages singles to be a little self-centered – but it’s not what you think. Selfish dating is characterized by daters putting their own needs, time, and mental well-being above all, both in their dating life and in general. Basically, the “selfish dating” mindset is: “If it doesn’t serve me, I don’t want it!” Despite the negative…