How do I deal with my girlfriend parents who are rude and hate me for most no reason?

Anonymous
so my girlfriend parents do not like me and blame me for any n all choices my girlfriend makes that they don't like. they say i won't ever make anything of myself and that am a bad influence on my girlfriend but am not. i got both my drivers license and a new job as a CNA 2 weeks ago so am doing a lot better than 8 months ago as a dishwasher. which i haven't told them about Becuase i want them to like me for me and not where i am in life. my girlfriend dad works at Verizon wireless plus part time as a limo driver on for extra cash and her mom is a bartender. my girlfriend parents are in no way rich, they are borderline upper middle class and both have no college education at all.

now a bit about my parents both are divorced, my mom use to work at are local social security office 10 years ago but now she just lives off welfare after a bad knee injuries and refuses to go in for treatment also has had cancer for the last 4 years but won't go in for treatment for that as will and spends most of her time smoking weed but says she is gonna go back to school 1 day. my dad is an ex-nurse who quit nursing after a patient died on him, but now works at a high LVL security job as a head manger and fixes houses up on the side and works with MtR. in the 8 months i have been dating my girlfriend i have convinced her to go back to school to be a vet assistant which she has 3 months left and afterwards she will be going back to school to be a vet bad ill be going back to be a nurse. her mom doesn't know am the one who talked her into going back to school since she wasn't having any luck finding a job as a baker.
How do I deal with my girlfriend parents who are rude and hate me for most no reason?
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