Penelope could grow by becoming more responsible and self - reliant. With the pregnancy, she has to take care of herself and the future of the baby, which might make her learn new skills and become more confident in handling difficult situations.
Johnny might grow in terms of his commitment. He could start off as a bit of a carefree person, but the pregnancy forces him to step up and be more reliable, whether it's in terms of providing emotional support to Penelope or thinking about financial stability for their future family.
Obviously, Penelope and Johnny are the main characters. They are the ones whose story the fanfic is centered around, especially with the major event of pregnancy in their lives.
One plot idea could be that Penelope and Johnny are young and in love when they find out about the pregnancy. They then face the challenges of telling their families, who might have different reactions. Some could be supportive while others might be against it.
Well, perhaps the fanfic could start with Penelope finding out she's pregnant. Johnny is initially shocked but then becomes really excited. They go through the journey of pregnancy together, attending doctor's appointments. There could be some drama with their friends not being supportive at first, but in the end, they all come around as they see how much Penelope and Johnny love each other and are committed to the new life coming.
The boyfriend can grow by learning to trust his instincts more. If he had a feeling something was wrong before finding out about the cheating, he'll be more attuned to such signs in future relationships. The girlfriend, if she realizes her mistake, can grow by becoming more honest and learning to communicate her problems instead of resorting to cheating.
If Liv is pregnant in the fanfiction, she could grow by becoming more responsible. She might have been a bit carefree before, but now she has to think about the baby. Maddie could develop more empathy as she helps Liv through the pregnancy. For example, Maddie could learn to be more patient.
Riley can grow by becoming more responsible. With the pregnancy, she has to think about someone other than herself. She might learn new skills like budgeting for the baby's needs or taking better care of her own health. Farkle, on the other hand, could grow in his confidence. He has to be a support system for Riley, and this could make him more assertive and sure of himself.
Bella could grow by becoming more responsible. With the pregnancy, she has to take care of herself better and think about the future of the baby. Sam can grow in his ability to be more empathetic. He has to understand Bella's feelings and the changes she's going through.
Rigby could grow by becoming more responsible. He might start to think more about the future and less about his own immediate pleasures. For example, he could cut down on his video game time to help Eileen with household chores.
Friends of Colin or Penelope could also be supporting characters. For example, Penelope's old school friends could visit her during the pregnancy. They could bring gifts and share stories of their own families. Colin's friends from his travels could also come around, perhaps bringing exotic gifts for the baby and sharing tales of different cultures' ways of handling pregnancy and childbirth.
Kevin could grow by becoming more responsible. He might start taking on more household chores and planning for the future finances of the family. For example, he could start looking for a better - paying job or ways to save money for the baby's education.