An intercourse assistance device for reducing the length of a penis that enters a vagina. The intercourse assistance device has a support body with a front side and a rear side. The support body is made of resistantly-rigid material. The device includes a region of deformably-soft material monolithically positioned centrally within the support body. The deformably-soft material is adapted to deform when in contact with the penis. The device also includes a reflexively-closable opening cut out from the region of reflexively-deformable material. The opening is adapted to removably receive the penis.