Meanings
Calque of French l’appétit vient en mangeant, first used by François Rabelais.
Starting an activity increases one's desire to continue it.
Example Sentences
1
When I started reading the book, I wasn't invested, but as I read on, my appetite comes with eating.
2
I wasn't sure if I would enjoy the new restaurant, but after trying a few dishes, my appetite comes with eating.
3
At first, I only planned to watch one episode of the show, but my appetite comes with eating, and I ended up binge-watching the entire season.
4
I wasn't interested in playing tennis before, but now that I've started, my appetite comes with eating and I can't get enough of it.
5
In the beginning, I didn't have much enthusiasm for learning French, but as I progressed, my appetite comes with eating and now I love it.