YOU SAID:
I'm not into short guys.
INTO JAPANESE
私は背の低い男には興味がない。
BACK INTO ENGLISH
I'm not interested in a tall man.
INTO JAPANESE
私は背の高い男には興味がない。
BACK INTO ENGLISH
I am not interested in tall men.
INTO JAPANESE
私は背の高い男性には興味がない。
BACK INTO ENGLISH
I am not interested in tall men.
That didn't even make that much sense in English.