The situation is implausible, because "slowly but surely" implies a length of time to provide the change. As a child, I hated most vegetables, but I tried to eat them. As an adult, I slowly but surely came to like most of them, after all (except red beets, Brussels sprouts and raw celery).
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.