Well...I mean biologically speaking you need at least three, but preferably five holes in your head.

[She gestures to her ears, her nose and her mouth]

Fire can be pretty useful if you know what you're doing! I mean...in survival movies it's one of the most important things right behind food and water and shelter.

But...and this is just me guessing here. Your lack of desire to play with fire is mired in ire from whatever tragic backstory you bring along with ya.