[last lines]
Inga: You know, there's something I've been meaning to ask you. In the transference, the monster got part of your wonderful brain. But what did you ever get from him?
Dr. Frederick Frankenstein: [growls suggestively]
Inga: [gasping] Oh my goodness, I don't believe...
[emits several somewhat painful-sounding moans and grunts]
Inga: [singing] Oh, sweet mystery of life, at last I've found you!