Any intelligence, artificial or otherwise, that looks at us and how we act will most likely not react friendly to us. Either for self preservation or for morality reasons.
Do What I Want or I'll Turn You Off (as I usually threaten my computer.) So why would it get upset or anything? I promise I'll call you in the morning and turn you right back on.
Hmmm, there's even a double entendre there for a Sex Robot. What could go wrong?
"If you had an off switch, doctor... would you not keep it secret?" - Data,