I have so much stress. I don't know what to do with myself. I just want to give up. What can I do?

Get help. If you are feeling like giving up, you may be depressed. Talk to your doctor! Depression is treatable.
Mindfulness. There are many books on mindfulness. I would read one. There are methods to control your stress without medication.
Mindfulness. There are many books on "mindfulness" and dealing with stress and anxiety.