Ty realized something that would make a big difference was being born to different biological parents. He had always felt sorry for his birth mother, especially when he found out she had given him up for adoption because she had been 15 when he was born. As a result, he decided to make his ovum form vacate her body, so she wouldn't have to get pregnant with him again.
The egg moved into a womb which looked identical but was really in the body of someone else- someone who would be able to actually look after Ty. Now Ty was in a safe place, he wished for his ovum to be fertilized. The distant waves of sex from the people who would bear him reverberated through their bodies into his own, and he felt a surge of arousal both from their pleasure and from knowing his body would soon be developing.
As the pleasure started to dissipate, Ty saw a mass of sperm approach his egg. They swarmed around it and weaned away at its walls, until one pushed inside the egg and fertilized it. It rapidly divided and developed into a xygote, stating to form a new person who Ty would become.
Awaiting his new self's gestation, Ty decided to wish to know who his new mother would be... (A/N: feel free to add more ideas if you like!)