22 and walking on eggshells in my household

I hate living with my parents. At 22 its about time for me to get my own apt. Hopefully this will be next year..so that i can finally breathe. When i know they are off work my head starts to hurt. My heart beats fast... I get stressed. Im afraid to leave my room... I talk to them without looking at them. Why is this?? I love my parents but years of punishing your child for every small thing can really traumatize a kid... Here i am 22 and resent them so much. I just want to leave