Last night, we realized we had no more diapers and I was just contemplating whether we could just use cloth ones all the time until our next subscription order arrives on Thursday. James and I discussed this and decided it would be fine.
Moments later, my phone pinged with a notification from the Amazon app that our diapers had just been delivered. And there they were, on our front porch.
Conclusion: I believe in Amazon Prime the way some people believe in luck, or karma.