Better question — why not drop off fruit and a note?

[ While the note didn't explicitly contain an apology for his...possibly not-best behavior, the sentiment behind it was an unspoken apology. Along with the genuine wish for her to feel better. He worries, of course, given what she'd been through recently. Which leads him to — ]

I'm perfectly fine, really. In fact, I was only just thinking earlier I needed a new feature for my face, change it up a bit, but rather than cutting a few hairs, a colorful bruise for a few days.

Much more importantly, Hilda, how have you been feeling? The knock didn't jar anything, did it? Your older injuries, I mean. I can help with that if so. I am the Doctor.

[ Never mind he's...out of practice on the actual 'doctor'-ing part of Doctor. Minor details. ]