Hermione resisted the urge to roll her eyes at his confession. It was just like him to be completely clueless about anyone else's feelings but his own. Some allowances for his behavior could be made because of his long stint in Azkaban with the dementors, but only to an extent. At some point he needed to become more self-aware. Considering he at least seemed to be contrite, she kept her facial expression as neutral as humanly possible.