I was in your position my first year. To the point I had to write a letter about all my issues to get my financial support back. You need to access your university resources, such as Counseling and Psychological services. It should be either free or really cheap (under 60 bucks), you can get to be medicated (which sounds scary but is better than ending up an alcoholic/another addict later on in life or just becoming a burn out).
Focus on that. Really, don't jump into a relationship because it makes you feel good unless analyzing it as well as a 19 year old can. I did that mistake and now I'm at square 1 in my senior year of uni. Make friends though and get to feel comfortable with your professors and environment, even if you feel like a fuck up. You are 19, many people do.
If you have the counseling services and a person who is treating you medically you can ask for accessibility in your university. You can also access this service if your meeting an outside doctor as well. This could give you more leeway, deadline extensions, and just a general understanding given to your professors about a very face value of your health. Also if things slip too far out of hand and you depends on grants/scholarships/pell grant/etc. they can write to financial services that you are a student that needs extra help and your circumstance and diagnoses, and to get you out of the bureaucratic issues of failing classes.
This is all from an American perspective so I don't know your situation. These are general steps you can take at an American University/college if you want to stay in Uni and to get help.
I've heard Asian households can make getting mental health care difficult, like it's shameful. Your parents won't be notified that your using Counseling resources. They only could maybe be notified about anything if you take the route of medication (as an intake assessment might be routed to your insurance company and also prescriptions, but they would be general labels). You could choose to use insurance or not, depends on how fearful you are. You can always ask these people about costs, and they should get a billing person to speak to you. If you're going no insurance route you can use GoodRX coupons on medications.
These are some of the steps I had to take at your age. Please do them sooner than later. There's probably other things to do like study groups, etc. that could combat the inability to work if no one is watching you as
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