I happen to be the oldest of three siblings, so when I was growing up, I was often tasked with helping out my younger siblings. Not that they were incompetent or incapable by any means, but that's just how it goes when you're the oldest child. Among other things, I've helped my siblings write papers, prepare speeches, prep resumes, and write code (my sister's major was very similar to mine). Let's just say that it's not a rare occurrence. Still, my sister managed to surprise me. She's into arts & crafts type stuff, so she's constantly working on different projects. That's not my thing, but I can appreciate the work she puts in. She also knows that I'm generally far less capable about these things than she is, so it's not like we talk about the details of the construction or anything. Nevertheless, she randomly asked me for help on one of these projects. It turns out that the project in question was this origami box thing that s...