Your logging is probably down
Then it turns out your monitoring system failed and FUCK IT’S BEEN A MONTH SINCE THE LAST PROPER BACKUP
Hearbeat notifications man. “Yes I am online” email once a day or so. Yeah it’s more emails to delete but it can be a lifesaver.
but you probably won’t notice that some of the regular emails are not sent anymore
Couple it to your smart watch, backup every 10 seconds, and make it vibrate when successful
you are just making yourself learn to ignore that your smartwatch vibrates. It’s a bit like breathing and blinking, you are so used to it you can completely forget that its happening. if your smartwatch, or phone, or whatever, starts vibrating all the time, you will get used to it and not notice when it stops happening anymore, but also it will hide any actually meaningful notification.