I meant the dinner. Yeah, your kids would have been disappointed for awhile, but I'm guessing that as ingenuous as you are, you would've come up with some alt. plans for just you and then on your b-day, that would have been far more fun and gotten their minds off of it soon enough.
But no, you're not being unreasonable. You're just being a TARGET. And then you rant when she hits you with her bilious arrows.