Truffles exude a substance that is similar to the one's truffle pigs exude when they're close to orgasm. That's why truffles excite them, enticing the pigs to scavenge for them. Did you know that King George IV of England used to demand that his mistresses consume large quantities of truffles in order to prepare for his visits? Unfortunately, this aphrodisiac doesn't accommodate everyone's budget, since it's one of the most expensive products in the world!