It was one thing to be rude to Hannibal Lecter, it was something entirely to anger him. And Will had sure he didn't want to piss him off. Not with Abigail under the same roof. It gave him that much more incentive to find his own place.
"He misses Alana?" Will knew he was missed. There was no other explanation to the heart. Though Hannibal did have a knack for the flare he left with the corpses he left behind.