I see alot of myself in you.
I have similar dreams to you and without fail wake up in a puddle of sweat every morning.
I once told a friend how suicidal i felt and he actually punched me in the face.
Ive always been the black sheep in the family and was constantly compared to others, nothing i ever did was good enough. Parents are just human beings and have faults like everyone else, they are not always right. I am certain you have qualities and abilities that the people you are being compared to dont have.
I hope this makes you feel that your alone.
I dont want to seem intrusive but when you are ready , i would love to hear a little more about yourself - why you feel suicidal, scared and worried.