actually i dont think most people can actually detect
consiously.
i think this is true. we are attacted to our own kind. so a
negative person will feel attracted to another negative persion.
likewise a positive person will feel attracted to another positive
person. when a positive person talks or communicate with another
negative person, automatically he/she will shun them because their
energy repel each other.
i was once negative so i think this is largely true. a lot of
effort to be positive.. but that is by positive energy brings more
positive ... by attacting the same kind