Should You Seek Help for Lingering Emotional Trauma? - Psychiatry

Should I see a doctor for lingering regrets from the past?

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My sister was diagnosed with schizophrenia two years ago, and our family has not had a moment of peace since then.
Initially, my mother strongly opposed her taking psychiatric medication, believing it would make my sister more senile, so she did not encourage her to take the medication and even tried to prevent her from taking it.
During those two years, my sister would often attack me, both verbally and physically, while my mother insisted that I endure it and scolded me for being inconsiderate.
It wasn't until my sister attempted to hit me with a wooden stick that my mother, in an effort to protect me, got injured and finally called the police to take my sister for involuntary treatment.
Afterward, her condition fluctuated; once, while I was just talking in the living room, she thought I was insulting her and tried to stab me with a fruit knife.
My father quickly knocked the knife out of her hand, and the family called the police to take her to the hospital.
This cycle of hospitalization continued, and when my sister was about to be discharged again last year, my mother and I had a dispute over her release.
I felt that my mother wanted my sister back and not me, which led to my reckless decisions.
I started to believe that online friends could help me, but I was wrong.
After knowing one for less than half a day, he took me out to eat and to the night market, and then back to his place, where I realized his intentions were physical.
Feeling unhappy at home, I reluctantly gave him my virginity.
The next morning, he asked, "You wouldn't be shameless enough to tell anyone about us, would you?" I cried all the way home on the train, only to find out that my mother had been searching for me all night at the police station, reporting me as a missing person.
After this incident, I only confided in one trusted friend and never mentioned it to my family.
Whenever my sister showed symptoms, I would run away from home.
I didn't care if their intentions were just for a one-night stand or if they genuinely wanted to help me.
Since I didn't know any female friends who could offer me a place to stay, I mostly interacted with male friends.
After my sister returned home, I felt a heavy pressure weighing down on me, and I wanted to escape from this house.
Last year, I was plagued by psychological distress and didn't know where to seek help, so I turned to an online Q&A platform.
A user reached out, willing to listen to my troubles.
At that time, I was in a runaway state, but my sister was about to be hospitalized again.
I didn't understand why I felt the need to run away.
I discussed it with that user, who asked if I would be willing to move to his city to start over, find a job, and attend night classes to rebuild my life.
I didn't expect the outcome to be the same: abandonment.
He took half of my money and tore up the page with his phone number.
When I returned home, a friend informed my parents of my whereabouts.
Fearing I would run away again, my parents called the police to keep tabs on me.
When I got home, my family thought I had just gone out for a few days and didn't pay much attention.
However, I couldn't bear the reality of being played with, so I attempted suicide and was hospitalized.
Recently, my sister was discharged again, but I no longer wanted to run away; I just kept crying.
As long as my sister is around, I become irritable and restless, talking to myself without understanding what's wrong with me.
I don't want to keep crying or talking to myself uncontrollably.
Should I see a doctor, or am I not actually sick?

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GivenChy, 20~29 year old female. Ask Date: 2011/02/05