Perhaps he's simply getting lost in the story. Travis has his own issues and seeing a story of love might be a form of escapism for him. He could be imagining himself in the shoes of the male lead, having a normal, loving relationship away from the seedy underbelly of the world he inhabits.
Given his experiences, he may see the love in 'Love Story' as an ideal that is unattainable for someone like him. He might contrast the clean, romantic love in the movie with the dirt and grime of his own reality. For example, he might think that in his world, love is not so pure and is often overshadowed by darker motives and power struggles.
Well, she could be thinking about how to make the story in her drawing flow. If she's drawing a journey, she has to consider the starting point and the destination. She might also be thinking about the emotions she wants to convey. For instance, if it's a sad story, she'll use darker colors and droopy lines. And she'll be thinking about how to connect each part of the story so that it makes sense when someone looks at her drawing.
He might be thinking about how the fanfiction deviates from the original plot. Maybe he's comparing it to his own experiences in the canon story.
She might be thinking about how real - life events can be so complex and unpredictable.
Maybe Noshin is thinking about how interesting the story is.
Perhaps Willem is thinking about Jude's storytelling skills. He might be impressed by how well Jude is able to convey the plot, characters, and emotions in the story. Or, he could be a bit distracted by external factors like the noise around them, but still trying to focus on what Jude is saying.
They might be in awe of the creative interpretations of Superman's powers. For example, if the fanfic gives Superman a new ability, the characters could be impressed or even a bit envious.
The character might be really intrigued. They could be thinking about how the fanfiction is changing or expanding the original Undertale story. Maybe they are comparing it to their own experiences in the Undertale world, if they are a character from that universe.
They might be feeling a mix of horror and morbid curiosity. Maybe they're dressing in their best clothes as if it's a solemn event. They could be discussing the reasons for the execution and what kind of person the condemned is.
She might be thinking about what to have for dinner. Maybe she was craving pizza or a big bowl of salad.