Nick's most likely suffering from a fungal infection in his nail. It is possible that this condition is onychomycosis.
Answer:
Make up an excuse or text your parent to call you and make it seem like they really want you home and then have them come pick you up. Your parents shouldn't be mad when you tell them the truth and that you felt unsafe. But don't risk yourself for what some "friend" thinks, if they are truly your friend they will care about you and wouldn't put you in a situation like that.
Explanation:
Hope this helps!
Water. is probably a good one
Yes it does the chemicals in whatever you are smoking are more than likely altered from what it originally was, therefore the chemicals start to taint the blood vessels and damage them permanently.
