Now here's what puzzles me about this formulation. It seems like, generally speaking, that our understandings of loving and liking are informed, to a certain extent, by the quantitative model. That is, liking seems to be the lower bar when compared to love. Love seems to be the harder and deeper of the two.

I think the answer is that liking seems to capture the notion of "unconditionality" better than love. If so, we see once again how liking is a better translation of agape.

Research reveals that, on average, having a new romantic partner pushes out two close friends from your inner circle

Christians often say that they "love everyone." Their faith compels them to extend love to every person on the planet, friend and enemy alike. But how do Christians understand this call to love? What does it mean to love people?