I have the urge to smoke and vape because the girl I liked also did it.
I could see how you would have that urge. Would you do anything differently if you're given a chance?
I would have a girlfriend instead who cares for my health
Love makes you do stupid things, and it's a worse idea to get into drugs because of other girls. It's called peer pressure, and it's always a negative impact to yourself. If she jumped off a cliff, would you do too because you like her?
Should I go to hell for liking her?
No, you shouldn't go to hell for liking her. It's good that you realize you want to have someone that cares for your health. I recommend focusing on that in trying to find someone that will have the best interest for your health.