There were many things Severus could have said about that, mostly revolving around the fact that an eighteen year old was not the best option for that job, no matter who he was, but the fact was, he hadn't been there. He did quirk an eyebrow at the last statement though. "I'm not certain I would have handled that any better than prison. I had never anticipated surviving."
"It all largely depends on how many students we have. Flexibility is going to be important," he said as the house elf reappeared with their meal. He let the creature place the plates on the table then continued once it had disappeared. "And whether simply replicating what came before is the wisest move. The students need a good basic grounding in the fundamentals and that is largely where I want to concentrate initially. Transfiguration, Charms, Defence, Herbology, Potions. The first three years are the fundamentals." He frowned. "And I need to talk to the castle about opening up a new dormitory area. A neutral one."
"I was under the impression that students considered their teachers to be as sexless as a marble statue," he said dryly. "However, I have no particular preference between men and women." He snorted. "I only knew Petunia through Lily and him not at all. His attitude towards magic was not unfamiliar though." He paused to take a bite of his meal before finally deciding that Harry already knew enough for him to say what he did next. "My father... well, jealousy was probably an aspect of it, though it was more complicated with him."