John felt the spark and was very glad he wasn't holding anything.

When his brain caught up with who touched him, he spun around quickly, grabbing Sherlock's shoulders to steady him.

What was that?

He didn't know if he could support Sherlock all the way to the couch without... John swallowed and then used a bit of magic to take them to the couch. He settled Sherlock down on it and bit his lip.

"Sherlock?"