Unsurprisingly, the sharpest critics of Latin trinitarianism are those who advocate a social trinity, and vice-versa: each side insists that the theoretical costs of the opposing view are too great. So Latin trinitarians charge that social trinitarians do not escape tri-theism (Leftow 1999; see also Merricks 2006); social trinitarians argue that their Latin counterparts cannot explain how the Father and Son could have a genuine, “I–you”, personal relationship, as the Biblical account seems to suggest (e.g., Matt 3:17, Mark 14:36; Hasker 2013: 114–118; McCall 2010: 87–88).