How to Get Two Cats to Like Each Other
by Nick Douglas from Lifehacker on (#4HWW9)

If you have two cats that aren't getting along, Reddit user cputnik has a simple solution: Scratch them each affectionately under the chin with the same hand, repeatedly. "This will mix their pheromones together," says cputnik, "and eventually they'll think they're from the same pack and share pheromones themselves"