Such things do take time be it friendship or otherwise. The weeks away from all the others will help to sort things out as well. The one on one time is important or so I've found.

[He takes a sip of his tea not wanting to keep the girls from getting their breakfast any longer and he won't deny he's rather peckish himself.]

Come, let's grab our meals first. [As he stands he offers his arm to Nagiko to take so they can head up there together.] Dominique can keep Miss Ai company for the moment.