biancurath: yes he does. Although if that had happened in the series I think-or hope really-that Jack would have noticed.
"Jack how much do you love me?" Ianto asked.
"More than words can describe," Jack answered.
"Jack!" Ianto sounded annoyed.
"But I do! I've never loved anyone as much as I love you and I'll always love you."
"I love you too."
"Really how much?"
"More than coffee." They laughed and then kissed.