The important thing is that you get better and move forward, try to have a good relationship with your half-brothers that they are not to blame for anything and your girlfriend, there are more fish in the sea
Get better soon Triple Sweet for no matter the tribulations that life throws at you as long as one self does not give up and continue to rise sooner or later the time shall come when all ones hardships bear fruit and am sorry for what happened to you i truly am I hope for the best for you Amigo