adjective
passionate
PASH-uh-nut/ˈpæʃənət/
Having or showing strong feelings.
The passionate gardener tends the lush plants with loving, energetic attention.

Etymology
Passio expanded from suffering to the broader experience of being affected by emotion. Thus “affected with passion” came to describe someone moved by intense feeling, including strong desire or enthusiasm.
In context
they like certain things but they're not really passionate about it when you find your passion it's something the fire is so strong