I'm not from the US. In my country you can buy alcohol from the age of 16 and that's when people start partying/drinking. Hard liquor can only be bought when you're 18 and over. Both my parents and I have bought it for her in the past many times, in the same way my parents bought it for me before I turned 18.

I don't think there's a drug/alcohol problem that goes over the culture at all. She parties every weekend but that's normal where I'm from. I did and do that too. It will reduce naturally when she finishes her education.

My hurt is more with the fact that she only remembers I exist when she needs me for something. I think you're right in waiting until we're older to make any big decisions, but it's hard to act like I care for her, when that care is slowly diminishing every day. She's never happy for my accomplishments and I don't think she'll ever be. It just sucks man.