Broken

I dont understand why Josiah had to try meth and all the other drugs he is doing. I guess I never will. How does he not see what he looks like? How does he just stop caring about his kids when that was all he cared about? Why would you want to get your nephew's to do drugs with you? I have never had an addiction maybe that is why I dont get it IDK. This is killing my mom she is going crazy trying to do everything thinking maybe if she gets him a car he will get a job when she knows in her heart that he will only use the car to get his stuff and then turn around and need money for gas. I heard something this morning that bothered me I found out that he is shooting up under his tongue is that even possible? What is going on in his head? I pray all the time every day every night i pray myself to sleep that everyone will find their way back from this life.... Is there any hope at all for them is this really the end until they die? Will he feel it when it happens will we know or will it be something like we could smell this terrible smell and the cops go in the hotel room and find him dead? God please dont take them from me!!! I know that God will only give you so many chances to turn your life around then its all on you.