Martha laughed and grimaced slightly. "Honestly, I got used to terms like jiggery pokery and machines that go ping when there's stuff. Proper high tech talk there," she rolled her eyes.
Briefly she wondered what sorts of skills he had to make him so confident at looking after himself, before she realised it was none of her business. "Okay, well, if you do need anything, give me a call yeah? Either on those board things or..." she reached into her pocket, tugging out a slightly battered UNIT card. "here's my mobile number. Still works here."