Most people easily accept that when you give off positive energy, you can infect others with that positive energy and that they will return that energy to you.
It is basically the idea that what you put out there will come back to you. Positive influences are all around us. They exist because people love to feel good. People prefer the positive to the negative. You can likely relate to this. You would probably rather be around someone who is upbeat and full of energy than someone who is depressed and moping around.
People see that thinking positive and having a positive attitude can play a large role in their life. Positive thinking can be very powerful and by putting it to work in your life; you can reap the positive benefits.