He notices she noticed him staring at his coffee, he gets startled for a second and says...
"D-doesn't it have a nice aroma? *chuckles awkwardly*... the truth is, I am not very good at conversations. I am only used to be in combat, most of the time I spent it inside my 'Katana' Fighting weird people or Navals. Always going by the word of my former master in the Kazoku.
He sips again his coffee and for a moment stares at Anna's eyes
"Say... do you think, abandoning my family was a bad move? they say... they are gone, but... I don't know who to trust anymore.