In college a major is like... A focus of study. It's the main thing you're learning to do. There's also a minor, which is like a sub-specialty; mine's math since I'm already taking a ton of it for the major. There's a whole bunch of other special degree names but I'm not doing any of them.

[Hopefully that makes sense at all. He nods at her last comment.]

Yeah, it's really fun.

[For exactly the reasons she's thinking; he really likes planning and then creating something that can then be used for a purpose. Also there's that fact that if something goes wrong, it's just a matter of logic to figure out what it is and how to fix it.]