I've done this so many times. Each time is hugely embarrassing, after the realization kicks in. Any more, my starting assumption is that I'm wrong about almost

I've done this so many times. Each time is hugely embarrassing, after the realization kicks in. Any more, my starting assumption is that I'm wrong about almost everything. Someone needs to invent a time machine, so that I can go back and slap myself before each foot-in-mouth incident.