I am in a dangerously bad place

Hi, I need advice on what to do.I apologise for any typos in this post. I hvae a long history of severe depression and anxiety. 2 years ago, I was close to being ending up dead as a result of depression, I went to uni and I met a girl with whom I've been with up till now (I just graduated) It gave me a sense of purpose and security. I do not fall for people easily at all, but , once I do, I am so attached that a break up can be devastating. My gf (now ex) told me 2 days ago that she did not feel the same way and there was nothing I could to do change it. I know this sounds like a very common situation to be in, and it is for most. It's the way I am coping that is not quie right. I ahve severe depression and anxiet. Now I have no uni or girlfriend, I have no purpose. I am locked ina cycle of drinking and taking drugs in my room and I have not even eaten since wednesday at all. I cannot muster the wll power to even leave this place. I do not sleep anymore. I just keep drinkig and then knock myself out with as muchketamine as I can. I have no one else in the world to see. Everyting in my life revolved around how I felt for her and where it was going. I donot know what to do, but it is looking as though i am going to end up where i almost did 2 yearsago. sorry for the long post. but I feel my body shutting down. I canba rely move anymore.

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