I must admit, Sylvie's libido is stronger than mine, so I can concentrate on her arousal longer than it takes to get her going.
She's also more vocal than anyone else I've known; it's amazing to watch (and hear) her!

And back to the original post:
<<...which involves tying her up, blindfold her and be nice to her...>>

you could also do this as a couple of separate steps, not altogether. Maybe you could just trying holding her hands firmly over her head when she's on her back once or twice, and just using your other hand (and mouth, etc) to give her as much pleasure as possible. When she sees, er feels, how much more intense the feelings can be when she can't reciprocate, you can probably go a bit further. Perhaps if you do this a couple of times, you can tell her not to move her hands while you use both of yours to please her. You could have a small soft scarf nearby, so if she can't keep her hands off you (!!!) you can threaten, and then tie her hands together. If you have nothing to tie them to, tie her wrists together, and make her put them under her head or pillow.