19 years ago? Might be a good idea to let go.
Second of all, the film is probably going to come out completely pink in hue or severely damaged.
I really wouldn't want a bf I had when I was a teenager to be developing nudes of me almost 20 years later.
I hope you at least intend to keep them to yourself and realize that developing photos of someone from your past from when they were ******** is maybe not the best idea.