Don't say "no" too firmly in bed - especially in this wording - voila! Sheee. Five words that can seem innocent, but can cause disaster in a relationship.
The 'Doctor of Human Sexuality' Emily Morse thinks that you should avoid at all costs saying the sentence: "I would never do that" Too firmly can pass over the proposing partner as an experience of Yiming, which can cause him not to propose things in the future for fear of being exposed in front of you.