Poor signal strength and heat. If your phone is set to pick up an LTE signal but there is none around it will constantly search for that signal,...
Or just raised and abused by sh*t parents. Drugs don't make people go around stabbing people with ice picks. Mental illness does.
You aren't helping your situation by replying. It is best to utilize the freedom you currently have any GTFO of Dodge.
Who was the girl?
I wish you the best with your investments in that area.