stupid question about James' Wings of the Dove

I just finished this book for a class, and maybe my mind’s in the gutter, or I’m just too modern and hip for a book written a hundred years ago, but the entire time I was reading it, I kept wondering, “Do these characters have sex?”
There’s supposed to be so much passion bubbling below the surface of those milquetoast British boys, especially Lord Mark, but there’s really no mention of sex. Or love, really. Is it there and I’m just overlooking it a la Ernest Hemingway, or is sex just not important to them?

The same deal with Sister Carrie–the back of the copy I had said all this shit about how scandulous and shocking the book is, and how it had once been banned, and I was thinking, “Allright! Hot literary sex scenes!!” but instead, they’re all completely chaste. Yeah, I understand why it was so shocking, but I was a little dissapointed.