YOU SAID:

I guess little old me will have to do.

INTO JAPANESE

少し古い私がしなければと思います。

BACK INTO ENGLISH

I have a little old me.

INTO JAPANESE

私は私の少し古いがあります。

BACK INTO ENGLISH

There is my little old me.

INTO JAPANESE

私に私の少し古いがあります。

BACK INTO ENGLISH

There is my little old me.