He studies her a moment, thinking it through from his still very new angle of actually considering other people's feelings.
"If you want to keep it, don't throw it away. But you don't have to go to the extremes of either flaunting or hiding it. Just tell him you've got it and that your ancient brother who has lots of experience of regretting not having photos of people advised you to keep it, but that you're not going to be gazing lovingly at it every day and it's nothing for him to worry about."
He shrugs, giving her a slightly wry smile. "I mean, you and Ton do talk, don't you?"
It would be pretty ironic if they don't, after all her advice to him and Ianto!