Making such excerpts allows you to create a collection of beautiful love - related passages. This can be a source of inspiration for your own writing, whether it's a story, a poem or just a personal journal entry. Moreover, it helps in studying the evolution of love as a theme in novels over time. You can compare excerpts from different decades or centuries and observe the changes in how love is depicted.
Maybe. If they are writers or filmmakers, they could be in the process of making a love story. But it could also be that they are just living their normal lives and there's no such thing going on.
I'm not sure. It depends on various factors like the popularity of existing comics and the creative plans of the comic creators or production companies. Maybe keep an eye on industry updates.
Sometimes it is. If your comic becomes popular and gets licensed for various uses like merchandise or adaptations, you can make good money. However, it often takes a lot of effort and luck to reach that point.