Mary spat a ball of goo onto her son that quickly hardened into a nearly unbreakable resin, trapping him against the wall.
"Mom, is that really you?" David whispered with a mixture of fear and arousal.
"Not really, at leasst not anymore." Mary hissed. "And ssoon you will ceassse to be my ssson and be my mate!"
She then brought out a glass and the box of vials.
First she poured a full MALE vial into the glass and replaced it in the box. Looking at her sons skinny body she poured the now refilled MALE vial in a second time.
Next she poured a PREDATOR vial into the glass and half of the XENOMORPH vial. She only used half of the Xenomorph because she remembered that male Xenomorphs were submissive and she did not want a submissive mate. Predators always seemed to be very masculine and dominant to Mary so she added another half vial of the PREDATOR vial.
Mary brought the cocktail to David's mouth and pured it down his throat.
As she ran her claws across his body raising welts David sputtered out "What was that? What is it going to do to me?"
"Make you perfect." was Mary's only response.
And then there were no more words, only groans as David began to change into...