YOU SAID:
hi emily your hair smells nice
INTO JAPANESE
こんにちは、あなたの髪はいい匂いがします
BACK INTO ENGLISH
Hello, your hair will have a good smell
INTO JAPANESE
こんにちは、あなたの髪は良い香りがします
BACK INTO ENGLISH
Hello, your hair will smell good
INTO JAPANESE
こんにちは、あなたの髪は良い香りがします
BACK INTO ENGLISH
Hello, your hair will smell good
That didn't even make that much sense in English.