"I should have called earlier," Jo said quietly. "Should have made sure you had the number," she added, happy to move on to business.
She took a minute to answer his question about the symbol.
"There was a demon. He took control of my mind. Not possession-he was still in whatever body he was using. Made me carve that into my arm. It has to mean something, but Dean and I both haven't been able to figure out what."
She relayed the facts with a fairly calm, business-like tone. Now wasn't the time to go to pieces or to relive the terror she'd felt when that demon had taken control.