Hello,
First of all, I must tell you that you are completely understandable and you have conveyed your issues in simplest terms here.
It is clear that you are in trouble despite maximum efforts from your side. You are struck between your and your parent's happiness.
However, you should not try to choose one.
You are free to consult a psychiatrist and we can definitely help you in understanding your own emotions and thoughts and also how you can manage all the relationships well.
Next Steps
you need to consult a psychiatrist or psychologist for these issues.