I guess I would ask if living with your parents is where you want to be in 5 years, 10, 20?
If you see yourself as your parents' helper/caregiver down the road, okay.
But..if your parents will be your helpers/caregivers in 15 or 20 years' time, then that's a different story.
If the latter, what can you do now to ensure that doesn't happen?
My sib lives with my mother. It is a different situation, I think, than yours. He is alcohol addicted.
I have found that he is not capable of seeing his 91 year old, frail, somewhat demented mother as she really is.
He still thinks he has the mother who has taken care of him all of his life.
And he resents the mother he has. She, by getting old, has let him down.
Course, he is a self-centered person, without an empathetic bone in his body.
Kinda classic alcoholic personality.
Peace.