It feels like an addiction. Normal coding requires sustained attention, you can sense how deep you are in the progress and when you're too tired to continue, but with LLMs the next feature always feels like another prompt away, having sessions go well into the early morning/late-night. You rationalize you can quit, that you've been reading the source and each diff enough to "understand" the codebase. But the truth is when the rate limit runs out, you'll be absolutely helpless, crawling back for extra-usage, until you finally see the total bill at the end of the month.