Negativety, by Se, We Also Have.

The amigdola and survival improses of the mid brain to deeply ingrain, in as little as half a second, negative experiences. So we all have a predilection to remember and to focus attention painful outcomes and experiences. We are also prone to learned helplessness, or hopelessness, whatever you prefer. In news a media, if it bleeds, it leads wle give more weight to negative descriptores of places, people experiences than positive reviews.