when u up me, i will received 2 rep power from u. (added to my rep points)
If i up u, u will received 4 rep power from me. (added to ur rep points)
But zap is diff, u zap me, I will be down -1 rep points, half of ur rep power. (detucted to my rep points)
If i zap u, u will be down -2 rep points, half of my re power. (detucted to ur rep points)