Seneca advised to be more pessimistic. Always having as a foremost mindset that the most propable turnout is the worst. To start of the day expecting everything to go terribly wrong, and everyone to dissapoint and fail us. This way, when something bad actualy were to happen we would be prepared for it and not taken by surprise. So we shouldn't expect anything from anyone, because, chances are, noone is ever going to give you anything.
but people always expect too much. everyone else but us, should be perfect so that we can avoid the possibility of one of our flaws ricochetting off of someone else's and kaboom following.
Nero's Torches (Leading Light of Christianity), Henryk Siemiradzki