After the first day Jeff noticed his body had changed, he grew taller and, his arms, legs and torso were thicker and his feet had grown 3s izes. The changes during the night were extraordinary but since his body grew from feeding of his fat deposits. Jeff's face looked like a skull, even thou his hands and wrists were bigger, the rest of his arms were very thin.
Acting out of instinc, Jeff began eating everything he could. Slowly his new organ used all the nutrients to replenish all the fat used in the first night.
Jeffs voice changed throughout the week. He gained more muscle. And hair began to grow all over his body. Soon he looked like a 25 yo man.
Jeff was satisfied with his new body. He was in shape even thou he didnt do any excersize. He was in his prime.
Suddenly one day he felt he urge to empty his vowels, he ran to bathroom but didnt make it in time. He pulled down his pants and fell to the floor by accident.
He felt all his organs move around and then a thin worm came out of his ass. The tip started to grow like a ballon , and in mere seconds it chamged enought to resemble a head.
A nose appreared and two circles formed above it. Then the ears took shape and finally hair grew .
Surprised by all of this. Jeff recognized his dad face . After a few minutes he opened his eyes.
"Jeff?, whats going on? "
"Dad is that really you?"
"Of course its me son! Buy why cant i move? Where's the rest of my body? And why do you look so different? For how long was i gone?
Jeff tried to explain his dad but they got to the chronivac to inspect their new situation.
After Jeff modifications at the beginning of the week, Mike changed from a parasyte to one of Jeffs organs, and since the jeffs body absorbed Mikes body to gain nutriets . Mike had no body to return to. He was stuck as part of his son, living off him and unconsciously producing growth hormone.
The chronivac couldnt revert the changes because it now detected Mike and Jeff as one being with two different consciences. The only thing they could do was to let Mike move around Jeff's body, so he palces his head next to Jeff's