Mostly they experience it whilst lying on their backs. I wonder why?
The position of the G-Spot is toward the front of the female anatomy, albeit inside. Manual stimulation by a partner is difficult at best, to achieve the same caliber intensity that is experienced when the recipient lays on her back. However, raising her hips up on a pillow might help.
It's "Lenor" and this is Loveline, not General Blabber.