YOU SAID:
hello I am happy today
INTO JAPANESE
こんにちは今日は幸せです
BACK INTO ENGLISH
Hello I am happy today.
INTO JAPANESE
こんにちは、今日は幸せです。
BACK INTO ENGLISH
Hello, I am happy today.
INTO JAPANESE
こんにちは、今日は幸せです。
BACK INTO ENGLISH
Hello, I am happy today.
That didn't even make that much sense in English.