The hard days will teach you that you are invincible.

Invincible turns out to mean something less cinematic and more durable: still here on Thursday. Still answering. Still capable of being surprised by something on the walk to the shop.

Nothing has managed to stop you yet, and that is not a small claim, it is a fact with a long record behind it. Whatever is happening now joins a list of things that were also going to be the end of you, and were not.