Yes, positive is constructive and negative is destructive. Thou shalt not kill, but building takes time and shouldn't be rushed. Let your natural emotions flow through you without killing them. Hatred means to "love less" and isn't giving the best of yourself to others. No, I don't think God is a magnet. With people, however opposites attract. God creates and destroys and we aren't exactly like God, although can be godlike in some ways.
Love seems, to use a metaphor, to be as fundamental as gravity. It's not a perfect analogy, but it's suggestive of how intrinsic or fundamental love is to the fabric of existence.