I made it through 100% of all the bad days, weeks and months in my life so far. I will also make it through the ones that have yet to come.
…and on my more cynical days, this follow-up:
And if, one day, I won’t survive a bad day, then it is not my f[%$]ng problem anymore.
I tried to have a more positive mantra, but eventually realized that sheer spite can be a powerful motivator in bad times, even more so than trying to stay “nice” to the rest of the world.