I think it’s your brain. Something stimulates the production of dopamine, so your brain rewards you. that reward in turn wants you to get more reward. I think t

I think it’s your brain. Something stimulates the production of dopamine, so your brain rewards you. that reward in turn wants you to get more reward. I think that’s why we keep hitting refresh on Facebook and all the social media and hacker news, trying to get that next hit of “happy”