Whats going on with me?

Honestly, I understand that you are young and just partying. The thing is do you wanna live? Because it sounds bad, the heart is a important organ and so are your lungs. Alcohol is a depressant,meaning it slows down your heart, then you jumped into freezing water....which made your heart beat go fast then very very low. Weed makes your heart beat go faster. This combination is bad...go to the doctor. Get your heart and lungs checked. I can tell you to not do that again and you can and mostly likely ignore me, so just don't be an idiot...I say this as tough love man :)