Slightly different set up but she's not my child but I have responsibility for a 16-year-old for various reasons.
We get on great and i've tried to be the 'cool' older sister - the one that knows the truth what's going on in her life, and attempting to guide her onto the right path without her quite knowing.
She's done NCS in my area and thankfully met some friends. However this weekend she's been invited to a house party with a couple of guys she's just met. It's in the dodgy side of town and over the past month i've heard how she's previously tried class As, smokes a bit of weed and she prefers the company of lets say the naughty kids (not criminal but not the head-strewed-on type).
Her parents are pretty useless so there's no point going there - and if I do the trust between us is completely gone. I was partying at her age (albeit more walking a few miles to get served a bottle of WKD for beer pong type) and because my parents were so obvious I got myself in some dodgy situations (couldn't call for a lift/had to stay out if I was drinking etc).
What do I do?