The unseen wish

I wandered home deep in thought and went straight to my room. I was troubled; Karyn thought I'd told her everything about the stone, but that wasn't exactly true. I had another secret I'd wanted to tell her about, but just hadn't been able to voice it. I hadn't lied to her about anything, except by omission, but I was still kicking myself for remaining silent. I spent ages wringing my hands and staring at my phone debating whether or not to ring her and unburden myself. Should I remain silent, or should I reveal that...