No matter what you do, make sure that you reach her clitoris. Focus on it until she reaches orgasm. Then stop and look at what you see. Appreciate the beauty of what you see.
Seriously, just shut your mouths. Today, my stretch marks signify my womanhood. However, seven years ago, I only had intrusive thoughts about them. I felt like everyone was staring at the stretch marks on my butt. When I entered the modeling industry at 14 years old, I had to create an Instagram.