I have a phobia of saliva- it grosses me out!
I agree with you!  Saliva is a watery substance formed in the mouth and saliva glands
Ugh I hate seeing someone spit! It's disgusting. 
Yeah i agree, another fact is human saliva comprises 98 percent water very strange
Even though I know it's essentially water, I still find it yucky. Do you?
Yeah its very gross, it also contains mucus , white  blood cells, and epithelial cells
Oh. Well maybe that's why it's so disgusting, it's full of body stuff!
Saliva
Saliva is an extracellular fluid produced and secreted by salivary glands in the mouth. In humans, saliva is 99.5% water plus electrolytes, mucus, white blood cells, epithelial cells (from which DNA can be extracted), enzymes (such as amylase and lipase), antimicrobial agents such as secretory IgA, and lysozymes. 
The enzymes found in saliva are essential in beginning the process of digestion of dietary starches and fats. These enzymes also play a role in breaking down food particles entrapped within dental crevices,
strange. Yet Steger brings a melancholy Central European sense of history- his objects tend to remember, or cause, great pain: “It pours, this poisonous, sweet force,” Steger writes of “Saliva,” “Between teeth, when you spit your own little genocide.”
Publisher’s Weekly, “The Book of Things”
It is a rare treat to have an English translation before the ink has dried on the original. By which I mean, a mere five years after the book’s Slovenian