Your emotional State is a high risk one and you should immediately go to the nearest hospital emergency department since you have tried to commit suicide number of times. See a psychiatrist first, get the treatment and then see a counselling psychologist to learn how to manage your expectations from people, emotional outbursts and develop tolerance for others.
Next Steps
You just need to learn how to manage relationships and your emotions. Do you really have to kill yourself if you don't have this skill?
Health Tips
Understand and acknowledge your unmet needs. They will guide you why you have anger outbursts. Once you have understood that, you will be able to make the required changes. Have some faith and trust in yourself.