"I..." While he's being truthful, he should probably let Lan Wangji in on one other thing. Maybe he's already aware and he kept it from him needlessly, but Wei Wuxian had been trying to keep his distance, it seemed.

"I was staying with Master Wei. He had a house where the House of M is located, but..." He frowns. He has basically no sense of the geography of this place. "I don't know how to get back there. It was out on an island."

In the middle of the Black Sea, but he hasn't been able to keep track of the names of all these new places.