"What makes you think that?" she asked daring him to speak what they both knew was true. Or assumed was true. "Given who her mother is how do I know this isn't a whole ruse to get me to admit to something that I have or haven't done? It would be like Bellatrix to use her daughter to weed us out," she said simply sipping her drink. Yes she might not agree with how they thought but she knew them and she had been a Slytherin as well. One couldn't forget that fact.
No she would never tell him anything that he wanted to know.