Shot tons of P&S film cameras as a kid, my first experience with an SLR was in a high school graphic arts class in the 70's - shooting B&W and developing/printing in the school's darkroom. Bought my first SLR in '84, devoured every book I could find about photography and did a lot of shooting to learn the fundamentals. I had a couple friends who were photographers and we went out shooting a lot - the beach, the zoo, night shooting, wherever. I never got into having a home darkroom, so all my prints were done at whatever local store did processing. I enjoyed shooting and always anxiously awaited the prints to see what my efforts had yielded. I didn't think much about the costs of film, just looked at it as a necessary cost for what was a very satisfying hobby for me. I've never shot as a pro or made a cent from my photos, and honestly have never had any aspiration to - I just enjoy the challenges and pleasure of it.
While digital has certainly made it more satisfying due to the instant gratification and ability to "develop" our own shots on the computer with much less expense and hassle than a darkroom, I can't say I'd be any less invested in photography if digital hadn't come along. I can't really say that I miss film, per se, because I enjoy all the advantages/conveniences digital brings to the table - but if digital suddenly and inexplicably disappeared from the face of the earth, I'd have no problems with dusting off my old 35mm SLR, stocking up on film and shooting like I used to.