YOU SAID:
Hi i am Mathijs Koen and i am 15 years old
INTO JAPANESE
こんにちは私はMathijsKoenです。15歳です。
BACK INTO ENGLISH
Hello I am MathijsKoen. I'm 15 years old.
INTO JAPANESE
こんにちは、MathijsKoenです。 15歳です。
BACK INTO ENGLISH
Hello, this is MathijsKoen. I'm 15 years old.
INTO JAPANESE
こんにちは、MathijsKoenです。 15歳です。
BACK INTO ENGLISH
Hello, this is MathijsKoen. I'm 15 years old.
That didn't even make that much sense in English.