Well, she might come back to seek closure. Maybe there were unresolved issues between her and the protagonist in the past, like an argument that ended their relationship abruptly. And now she wants to talk it out, to finally have a sense of peace about what happened.
On the other hand, if he has moved on completely, he could be polite but distant. He would listen to what she has to say but make it clear that his life has moved in a different direction and he is no longer interested in rekindling anything.
Maybe the old quilt was passed down in Bella's family. It could hold some kind of family secret or memory. For example, it might be linked to a long - lost love story in her family's past, and as Bella discovers the quilt, she also uncovers the hidden family history.
One possibility is that the girlfriend is always trying to compete with the friends for the person's attention. She might throw tantrums when the person spends time with friends instead of her, and this behavior is what makes the situation seem like she's'sucking' for the friends. For instance, if they have planned a guys' night out and the girlfriend gets angry and tries to guilt - trip the guy into staying with her, it's not a pleasant situation for the friends.
One possible plot could be that the girlfriend was taking care of a black cock as a pet. One day, it got loose and made a mess in the house. The boyfriend came home and thought the girlfriend was being irresponsible, but actually she had tried her best to keep it in control. So there was a mistake in his judgment about her.
One possible plot could be that in a magical and strange world, the girlfriend has a special power that she accidentally activates and 'vore' (in a non - literal, perhaps more of a spiritual or energy - absorbing sense) her boyfriend. This causes chaos in their family as they try to find a way to reverse it. The family might embark on a journey to seek a wise old wizard who could help them.
It could be that the girlfriend had some wild and unpredictable behavior. She might suddenly decide to go on a long trip without any prior notice, leaving Hoemar confused and feeling like she was a bit 'crazy'. Maybe she also had a very impulsive spending habit, buying all kinds of unnecessary things, which added to the 'craziness' in Hoemar's eyes. Another aspect could be that she was overly possessive, not allowing Hoemar to have any personal space or hobbies.
One possible plot could be that the narrator realizes they have been in a stagnant relationship with their girlfriend. They start to feel bored because they no longer share common interests. So, they plan a series of conversations to gently break up, while also reflecting on the good times they had. After the break - up, they both learn to pursue their own individual interests and grow as people.
A boy and a girl could be neighbors. They play together as kids. As they grow older over 10 years, they start to realize their feelings are more than just friendship when they face a situation where one has to move away.
Maybe the story is set in a future world where gravity can be controlled, and a group of teenagers discovers a dangerous secret related to it. They then have to prevent a catastrophe caused by the misuse of this technology.
One possible plot could be that Naruto meets a new kunoichi from a different village during a diplomatic mission. She is initially cold towards him, but as they face challenges together, like fighting off rogue ninjas, they start to understand and fall for each other.