YOU SAID:
I think I have borderline personality disorder, in all seriousness.
INTO JAPANESE
私はすべての深刻さにおいて、私は境界人格障害を持っていると思います。
BACK INTO ENGLISH
I think that in all seriousness, I have boundary personality disorder.
INTO JAPANESE
私はすべての真面目に、私は境界人格障害を持っていると思います。
BACK INTO ENGLISH
I think everything seriously, I have boundary personality disorder.
INTO JAPANESE
私はすべてを真剣に考えています、私は境界人格障害を持っています。
BACK INTO ENGLISH
I am thinking everything seriously, I have boundary personality disorder.
INTO JAPANESE
私はすべてを真剣に考えている、私は境界人格障害を持っています。
BACK INTO ENGLISH
I am thinking everything seriously, I have boundary personality disorder.
That didn't even make that much sense in English.