"What, can't be bothered to spend any more time with your old dad than you absolutely have to?" he asks dryly, and then realises, loosening up a little: "Though I guess you're looking forward to time with your girlfriend." He grins, starting to shift. "Far be it for me to get between the two of you! Not when she's making you so happy!"
But yeah, he might well be giving Kanji a call tomorrow, when all's done and dusted.