This NY Post articles tells women to demand better sex, but while it’s an empowering stance, it can totally backfire, and not get you what you want.
When you demand something of a man, he has two choices: to comply which is submissive, or rebel and pull away. Neither is going to get you a good lay, casual or marital. You have to instead invite: let him know he’s going to get a “yes” so that he wants to give you what you are asking for in bed (or on the coffee table – wherever you are “doing it”). “Ooh baby, that feels so good. I’d love it if you used your fingers too” (specify where).