"Then they," he gestures at the other two on the back seat, "or at least Matt deserve as much credit, I think."

"Yeah, I meant 'you' generally."

Small smile.

"Well who'd you save?"

"Four various accidents, guy with an aneurysm, pulmonary edema case and then also decided to try a degenerative disease and that seemed to work fine."

"I hope you got their names," comments Matt. "Should probably check on them, especially that last one."

Nod.

"So, back for some tests?"

"Yeah."

Back they go.

Willow shows them where the abandoned building her parents own is.

– And Theo can enter them just fine! He's slightly hesitant at the boundary of the first one, but only the first time, so he's pretty sure that was just placebo-slash-nocebo.

"Your mom doesn't seem to count as owning your house, nor do Willow's parents count, here, but you can't walk into my place," he summarizes.

"Seems to be the case," agrees Theo.

"Hypotheses?"

"Use?" Willow suggests. "Theo uses his place much more than his mom does, you guys use your place, no one uses this one..."

"I was gonna suggest residence – people might only have one 'permanent residence', so this place might have no residents? Then Theo has residence at his place, maybe he's allowed that even though he's a vampire." Shrug. "We still haven't tested he's able to be invited in."

"That's true. But then if multiple people live in a place can any of them invite a vampire? Could Manfred and Helen invite Theo to my place?"

"Some lore has that anyone in the place can invite a vampire in..."

"So we should possibly try if he can enter my house, see if the invitations have to be re-given to a vampire or if they can retain it from before, and then work forwards from there? Could see if they can be rescinded, too."

"So we go to your place, if Theo can't get in I try inviting him, if that fails you do, if that fails that's that, if it succeeds you try rescinding it, yeah?"

"Sounds right?"

"What else did we have to test?"

"See if my projectile intuition is any better. I'm sure I can find a stick to throw somewhere. Then I'm running at an out-of-the-way tree."

"Ah, right. Okay, let's do that."

He does! And, shocker, his projectile intuition is better, quite dramatically noticeably so! Throwing a stick far into the air in a big field and then running to stand almost exactly where it's set to land has never been so easy!

Running into the tree is slightly less fun but he is quite a bit less breakable than he used to be. He runs into it a few times, confirms this, and then decides he doesn't want to break any bones (which he still seems to have, at least) nor does he want to take it down – just, apparently, damage it quite a bit – and so he stops.