It's also a... hm. In a way it's a physical scent that we can detect. I mean... we're Blood and our magic allows us to know these things. Especially if a Warlord Prince and a Queen are meant to be with one another. A Queen holds the leash for us and the Queen we are destined to serve... there is an unimaginable pull for us to them and vice versa.
That's... interesting. Why did it go from one to the other?