translation.en: This is legit. 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,
translation.zh: 这是真的。事实上，有些有趣的研究表明， 【催产素】，一个社交产生的荷尔蒙 会在我们性交，养育宝宝， 或是在极其喜爱的人身边会产生， 【催产素】水平会在 彼此关心和愿意陪伴的人和狗身体里上升， 不止这些，其他研究还表明【催产素】 在其他组合动物身体里也会上升。