Dr. Isles loved to travel, and she loved to find someone with whom she shared a common interest. Oh, she loved Detective Rizzoli, in her own way, but she and Jane were as different as night and day when it came to their likes and dislikes. And Jane never drank wine.
So she was more than happy to meet this Nikola Tesla, whom if she was not mistaken, just might be the Nikola Tesla.
Truth be told, if Maura were given to 'fangirling,' as the expression went, she might just have done so over this particular date.