YOU SAID:
I'm mentally unhealthy and I want to stop existing so yeah
INTO JAPANESE
私は精神的に不健康で、存在を止めたいです
BACK INTO ENGLISH
I am mentally unhealthy and want to stop being
INTO JAPANESE
私は精神的に不健康であり、存在を止めたい
BACK INTO ENGLISH
I am mentally unhealthy and want to stop being
That didn't even make that much sense in English.