Ok, to be fair......do you not see how your story is just like your friend's but in reverse?

The guy who bounced the check knew he was going to pay your friend, but friend didn't .....leading to unnecessary time spent worrying.

You knew you were going to get the car tags to your W,but she didn't......leading to unnecessary time spent worrying.

If you had simply replied to her email or text promptly by saying "I don't know, I'll check when I get home" all would have been avoided.

You need to recognize your own passive-aggressive behavior in not answering her text.