Erin reaches over and squeezes Johnny's hand. "My friend, I've got your back now and always. It'll be alright."

There's more than one way to say 'love'. Erin takes her hand back only reluctantly, but leaves it on the bar in case Johnny still wants it.

"...Some stuff might be easier shown, but are you asking about the vows, the Mantle, or both? The Mantle is more of a hypothetical problem where this ship suddenly crash lands on a world full of the Lost."