In his defense he had his arms full. He also has groceries. He also told her his plans too.
"I thought you knew I'd be coming? If I didn't have your hacker fuel as well I'da knocked." Is Felicity gonna make him have the knocking equivalent of a swear jar
"Between you and me I think we can make something contemporary. Nothing like an apple, but at least at the level of and AMD or INTEL. Just need to put the right parts in the right places with the right raw material. I built a time beacon out of tech from the 50s, I think I can build a computer out of something like this." He explains, starting to look over everything.
"Oh. Things you like." All the snackage she could ever want, plus easy meals. Cereal, eggs, mac and cheese, ramen and some REAL food, taco fixings. Food anyone can make.