It's not strange, but forgetting to cock the shutter is a usual culprit. I take the utmost care in framing and metering and as the decisive moment approaches and passes I repeatedly press the shutter release in vain. All I can do then is imagine how awesome it would have been to have gotten that shot.
I stopped using Rf cameras because the lens cap was getting all the best shots!
Warning!! Handling a Hasselblad can be harmful to your financial well being!
Nothing beats a great piece of glass!
I leave the digital work for the urologists and proctologists.