Because you start wondering why GMail (Google Mail) isn’t responding, or posts aren’t coming through. And then you realize…DOH! Gotta do:
Account Settings -> Using 2-step verification -> [Edit] -> [Manage application-specific passwords] -> Enter another one and get another 16 character random password and enter THAT one into your external connection.
If you Care a Little More, Things Happen. Bees can be dangerous. Always wear protective clothing when approaching or dealing with bees. Do not approach or handle bees without proper instruction and training.