Often, they either make up after having an honest conversation about the jealousy. For example, one friend realizes how wrong they were to be jealous and apologizes, and the friendship gets stronger.
Sure. One story is that my friend Lisa had a best friend Jane. When Lisa got a new job with a great salary, Jane started acting really strange. She made snide comments about how Lisa must have 'used her charm' to get the job, not believing it was due to her skills. Lisa was really hurt as she knew Jane was just jealous.
Once, my friend Lily was jealous of my new dress. I got this beautiful blue dress for a party. When I showed it to her, she made sarcastic remarks like 'It's too flashy for you'. At the party, instead of being happy for me when others complimented my dress, she told them it was not as great as it looked. Later, I talked to her about how her jealousy made me feel bad. She realized her mistake and apologized.
One common behavior is making negative comments. For example, if you get something nice, a jealous friend might say it's not that great. Another behavior is trying to undermine your achievements. They could tell others that you don't really deserve what you got. Also, they might spread false rumors about you, like in the case where a friend was jealous of a new possession and spread lies about how it was obtained.
Well, a frequent theme in jealous friend stories is insecurity. The jealous friend usually has some insecurities within themselves that make them envious of their friend's situation. For instance, if a friend is more popular or has more success in a particular area. Another common aspect is the lack of communication. Often, the jealous friend doesn't express their feelings in a healthy way, which leads to misunderstandings and problems in the friendship. And there's also the theme of possessiveness, like when a friend feels like they 'own' the other person and gets jealous when that friend spends time with others.
Well, in many Percy - related fanfictions, if we consider Grover as Annabeth's friend, he might be jealous of Percy because Percy often gets more attention or seems to be more in the spotlight. Percy has a lot of heroic moments and is the son of Poseidon which gives him a certain status, and Grover might feel overshadowed at times.
One jealous friend story I know is about two girls, Anna and Beth. They were best friends. When Anna started dating a really popular guy in school, Beth became extremely jealous. She spread rumors that Anna was only dating him for his money. This led to a huge fight between them and a lot of their mutual friends took sides. Eventually, they realized that Beth's jealousy was unfounded and they made up, but it took a long time to repair the damage.
A best friend can support a lesbian friend by simply being there. Listen to her when she wants to talk about her feelings or experiences. For example, if she has a problem at work because of her sexual orientation, just listen and offer emotional support.
One common plot point is the friend trying to undermine Percy. For example, the friend might spread rumors about Percy in the camp or during a quest to make others question his abilities or intentions.
A great best friend story could be titled 'The Unbreakable Bond'. It shows how two friends support each other through thick and thin, like when one friend is going through a tough time at school and the other stays up all night to help them study.