{This has probably been done before, but it's my own spin on it. o3o Give credit to me if you wanna use it! XD}
Send me a "googoo" for your character to become a baby/toddler and mine to take care of them.
Send me a "my child" for my character to become a baby/toddler and yours to take care of them.
{I'll either use Riley or one of the humanized Emotions for this, so let me know if you want me to be a specific one. Enjoy~! >w<}