After the Ilvermorny incident, Oliver was trying to regroup and get himself - and the Order - back on track. It was rarely possible for him to get a single thing done in meetings, given the arguments brought up for argument's sake, but perhaps he could have a discussion with Terry while the house was empty. What he needed, really, was to bring more people onto his side. The fact, of course, that the Order had sides at all was endlessly irritating.
When Terry arrived, Oliver came out of the kitchen, cup of tea in hand. "Cuppa?" He asked casually, gesturing back towards the teapot on the hob. "Just made it. I'm not usually a tea drinker," he admitted, glancing down at it, "but I figured it would be appropriate for a chat."
Cool and calm as he seemed, Oliver had been a bit stern in his letter. They needed to discuss the last meeting, as it had been something of a disaster. What he needed to know, actually, was how it had happened at all, considering the wards he had set up. Perhaps he would need to improve them. But it was probably best to start politely.