During your lifetime you will produce enough saliva to fill 2 swimming pools. (I’m going to go out on a limb and say that some of the folks in this forum may exceed the average saliva output)
Calling oxytocin the “love” hormone is over simplifying its function, though there is a lot of science behind why it has been dubbed this.
Oxytocin in general has been characterized as “prosocial”, meaning that it promotes affiliative, or positive, social behaviors.