[John follows along and will sit himself down on the toilet and direct Sherlock on getting him patched up as best they can. It's likely obvious for the other man from the way the wounds are shaded to pink and red that it's certainly infected.]

He doesn't seem like the sort to sulk, Sherlock. I'll give him a call.

[He puts it on speaker phone before dialing. This is probably going to involve some being ranted at, but if it's in service of finding out what's happened to Molly, so be it.]

Maybe let me do the talking, Sherlock? You can talk to Mycroft.

[Because John's had just about enough of the insufferable arse to last a lifetime. Nothing like the elder brother to make him appreciate Sherlock all the more.]