10 Doting Overprotective Moms Who Are Worried About Their Son's Sexual Growth Appear! In order to see the change in chin length before and after erection, I strongly stimulate my son's Musco with my hands and mouth. The reward after the examination is a pleasant juvofera that squeezes out a large amount of sperm accumulated in Kintama. [* There is some disturbance in the image and sound]