Spiked in example sentence
In fact, some interesting studies have pointed to oxytocin levels, which are a kind of bonding hormone that we release when we're having sex or nursing or around someone that we care for extremely, oxytocin levels raising in both humans and dogs who care about each other or who enjoy each other's company, and beyond that, other studies show that oxytocin raised even in other pairs of animals, so, say, in goats and dogs who were friends and played with each other, their levels spiked afterwards.