That answers a great many questions he had about Ducky honestly. It gave him a clearer perspective on who she was and her methods, even if the woman herself was vague in much of it.

"And her being from your future makes things complicated because she.. ah, knows where your relationship has evolved for better or worse and you are unsure how to handle how out of control that leaves you feeling?" It was a guess, he felt that way about Jester. She knows things about him that he cannot even if she explained it all. It leaves him feeling out of control and off balance.