YOU SAID:
How come when I come to your house, you are not there, they're on their period.
INTO JAPANESE
私があなたの家に来るとき、どうしてあなたはそこにいません、彼らは彼らの時代にいます。
BACK INTO ENGLISH
Why are you not there when I come to your house, they are in their time.
INTO JAPANESE
私があなたの家に来るとき、なぜあなたはそこにいないのですか、彼らは彼らの時代にいます。
BACK INTO ENGLISH
Why aren't you there when I come to your house, they are in their time.
INTO JAPANESE
私があなたの家に来るとき、なぜあなたはそこにいないのですか、彼らは彼らの時代にいます。
BACK INTO ENGLISH
Why aren't you there when I come to your house, they are in their time.
That didn't even make that much sense in English.