I think you're not the only one. I feel sort of a sense of anxiety in that I have to keep scrolling while reading if I'm reading a book without discrete pages (infinite scrolling also becomes a distraction from the content). If the layout is reformatted as pages, I know when a page begins and ends and don't have that feeling any longer.
I'd never willingly implement or recommend infinite scrolling on a website or mobile app. If a client wants it, I would dissuade them at first with reasons against it, but if they insisted I would implement it reluctantly with a fallback to pagination.
Yep. I understand where the logic comes from to implement them (don't have to click to see more content), but I think it comes at a cost.
It also helps that my browser implements a "fast forward" mechanism, where I can go to the next page in pagination without actually clicking a link. Just have to do a mouse gesture or click the arrow buttons on the mouse. If it were something more commonly used (unlikely to happen sadly) it would make browsing paginated content so much easier.
I'd never willingly implement or recommend infinite scrolling on a website or mobile app. If a client wants it, I would dissuade them at first with reasons against it, but if they insisted I would implement it reluctantly with a fallback to pagination.