THE THING THAT REALLY SUCKS about being psychically linked to someone is that you have a pretty good idea when they’re lying—or, in this case, not lying. Still, my response was immediate and instinctive.

“That’s not true.”

“Isn’t it?” She gave me a pointed look. She too knew that I could feel the truth in her words.

“But that . . . it can’t . . . ” I wasn’t at a loss for words very often—and certainly not with Lissa. So frequently in our relationship, I’d been the one being assertive and explaining to her why things had to be the way they were. Somewhere along the way, with...