I think that's a rightful interpretation. I don't think there's any conscious love at this time, especially on Jaime's side. I'd say the material is ambiguous. At this time I'd rather the show not go anywhere beyond ambiguity. I think it would spoil what they have. With that said, scenes like this are what I used to get on soap operas - it's understated longing and not knowing how to say goodbye, and it's so beautifully written, acted, and directed.
http://www.youtube.com/watch?v=LSzf7haBapc
And things like his getting her new armor (custom designed perfectly for her body and the perfect color for her), and her naming her sword "Oathkeeper" (essentially telling him that in her eyes he is a man of honor, this being said to a man who has spent most of his life being known as dishonorable and traitorous) - that's more romantic writing, intentional or not, than anything I've seen on a lot of shows in ages.