“Not even in jest, Severus.” - Well put. (: I can hear it well in Minerva's voice.
“Gryffindors were never much for seduction, were they?” - Hah, good one! No, it seems not! :P
Not if she had anything to say about it, which she most certainly did! She's Minerva McGonagall, of course she does! :B
The Quidditch line made me laugh. I enjoyed the mingling of past and present over a simple physically-pained moment for Severus. Minerva's comforting actions were pleasant to read. Well-written story! Well done!