She held up her index finger. "The first is the love between parents and their children. The need to protect them. To sacrifice anything to keep them safe, to ensure their survival. What you'd hope most parents of most species would do for their offspring."

Even though she knew that wasn't always true. Which made her genuinely sad.

Ariadne ticked a second finger. "The second is the love between brothers and sisters, uncles and nieces, aunts and nephews. Members of a pack. Family. And the close friends that become family."

Like Dean and Sam for her. Which was something that Anakin didn't understand, since he was hung up on the third love.

"And then the kind of love, which I guess most people think of when they think of love: Romantic love, sexual love. The love between mates."