The same can be said for sweat, and I can't see anyone wanting to drink their own sweat either, unless they were in dire need of salts.
Gladiator sweat used to bring a lot of money being sold as an aphrodisiac. We secrete a lot of pheromones in our sweat, but tend to cover them up with deodorants, perfumes, colognes, scented soaps, etc. No wonder we are so confused about relationships