TIL there is chemical called oxytocin that gets released in the brain every time someone commits - or even witnesses - an act of kindness. The release of oxytocin then, in turn, inspires more acts of kindness. In essence, kindness is contagious.

https://www.youtube.com/watch?v=IXIEkaWHsYI via /r/psychology http://ift.tt/2vjjsyM