What makes you think that you cant be a veternarian??
What are your problems in school, maybe with some ADA accomidations, you might do better?
As far as ruining your family, why do you say that?
need more info to see if I can help.
Jobs for no-skilled people are either, in most cases, real low wage with poor working conditions, or nada.
As far as not being able to make friends, explain more about the social situations which you have the hardest time in making and keeping friends.
Jojo
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All art is a kind of confession, more or less oblique. All artists, if they are to survive, are forced, at last, to tell the whole story; to vomit the anguish up.
-James Baldwin