Last week while we were getting ready for the movie

Chandri: I built an arc reactor! How many other people get to say they did that?

Me: Well, I guess one.

Chandri: Well, yeah.

Later:

[Chandri with her arc reactor off, within reaching distance. I put forth a finger and push.]

Arc reactor: Click. [lights up]

Me: [giggle]

Chandri: Okay, that’s the last time you get to do that.