Minerva's grin was becoming larger by the second. Lily had lost none of her wit or charm. As Eliza looked at her former student inquisitively, waiting to be introduced, Minerva suddenly realized Lily was exposing herself to great danger.
'Eliza, here's one of my former students. We'll be upstairs if you need me. Please remember to ring Samuel about the missing Quidditch Today before noon.' she said, knowing full well she'd have to do it herself when coming back.
'Would you like some tea in my lodgings, Evans?' Minerva inquired rather pointedly. It was important that Eliza stood out of this.