Feel sensations in places you didn’t know you had! Tell him to make like Salt N Pepa and P-Push it real good:
Get a pillow (or two, or three, depending on how adventurous you’re feeling!) and lay on your back so it rests right under your butt.
You can bend your knees or, to change it up a bit, elevate your legs and have him hold them up at the calf or by resting them on his shoulders.
The elevated angle of your pelvis will create additional G-Spot stimulation for you and new sensations for him!