Even couples who can discuss finances and trauma with total transparency often freeze when it comes time to discuss their sexual desires. We assume that if we have to "ask" for it, it ruins the romance. In reality, explicit communication is the ultimate aphrodisiac.
The Timing Rule
Never discuss deep sexual desires or dissatisfaction *while* you are in the bedroom. The vulnerability is too high, and any feedback will be interpreted as a devastating criticism of their current performance. Talk about sex while walking the dog, or over coffee on a Sunday morning.
The 'Sandwich' Script
When asking for something new or different, use the sandwich method (Positive / Request / Positive): "I absolutely loved yesterday morning. Honestly, I've been reading about [New Idea] and I think it would be incredibly hot to try with you sometime. What do you think?"
This ensures they feel validated in their current capacity before you introduce a new variable into the equation.