Yep. You said it. And it was probably easier in many ways. I doubt you have to apologize for anything, she doesn't sound like the type.

An overnight, just one, isn't going to be the perfect sail. Neither one of you will get much sleep(if at all). That will cause some discomfort. Is that what she wants to do? If so, I bet she'll enjoy the adventure of it, especially after she gets some sleep the next night.

Being married isn't always bliss, sometimes it takes effort.