“.. might the presence or absence of her loved one have had an influence on this coming and going of her symptoms?”

“In the technique of psychoanalysis, in fact, it is taken as a rule that an internal, but still hidden connection is announced through contiguity, the temporal proximity of ideas, just as the letters a and b written side by side indicate the formation of the syllable ab. Dora had often manifested attacks of coughing and loss of voice; might the presence or absence of her loved one have had an influence on this coming and going of her symptoms?”

― Sigmund Freud, Fragment of an Analysis of Hysteria (Dora)