It's invisible but it is real. It's the feeling you get when you're around a special person. You feel better, you feel "up," you feel excited or happy.
That's called energy. It's infectious.
The opposite is true as well. A downer of a person, low energy, no initiative—is a drag on life. I can't say you can do anything about it. But I can say if you are able to, please crank up the energy, for your own good.
You can trace how much success a person has and how attractive they are to others by how much energy they exude.
LABOV Marketing Communications and Training