The grin turns rueful. "A lot of people know her here, so I was almost sure she'd be looked after, but I thought the sign might be an idea. 'Specially since the last time she was in here alone, it was because she found a portal of her own, at home. I didn't want anyone thinking they were doing the best thing by putting her through the front door - she'd either end up alone in the city, or at home without me when we left together, which I'd rather not try explaining to my wife."