YOU SAID:
I am so tired of existing.
INTO JAPANESE
私は存在するのにとてもうんざりしています。
BACK INTO ENGLISH
I'm very tired of being there.
INTO JAPANESE
私はそこにいるのにとてもうんざりしています。
BACK INTO ENGLISH
I'm very tired of being there.
That didn't even make that much sense in English.