Is it possible!!

Is it possible to fall out of love after someone finally starts getting themselves together after you’ve been asking them for years and years? We’ve been together almost 7 years but married almost 3 with a toddler and infant. I’ve just been feeling like i don’t love him the same or at all anymore and he’s finally starting to behave himself and I’m confused as to why I’m feeling this if he’s finally doing what i have been asking for since the very beginning