"Yes. To start with, anyway." He could use mind magic to make it so that she doesn't mind the discomfort, but that's extraneous to the answer and he chooses not to bring it up. "Once the first spike is touching your blood, you'll have the ability to store senses, and if you use that it'll be much less uncomfortable. By the end of it of course you'll be able to block out a sense entirely; that is the point after all.

And it will heal much more quickly than a mundane spike would, but I'd suggest not using sorcery to speed it up. I don't know how it'll interact."