There is an energy exchange happening all of the time.  Without noticing what is really going on, we are seeking energy from other persons on some level, or the other way around.  We are receivers as well as transmitters, and by being aware of this dynamic we can filter what comes in and what goes out.  Most of us have been around negativity and felt drained completely, and have received positive energy from delightful persons, and was greatly refreshed.  I believe that we can change any situation by applying love to overcome anger, and kindness to overcome a hostile environment.  Be aware of the energy transfer and be positive, and watch the love win.