I may unconsciously or inadvertently behave impolitely. Or do not fit you in that day. I must apologize to you and your wife, but you know, I'm excited and very short conversation with you that day.
I may not be aware of it, or accidentally made a rude or inappropriate for you on that date. I have to apologize to you and your wife as well, but that is very exciting and I'm shivering ru to chat with you.
I may not know, or don't forget to do the polite or not suitable for you in the day that I have to apologize to you and your wife, but since learned that I was so excited and trembling in the conversation with you.