“ When you have eliminated all which is impossible, then whatever remains, however improbable, must be the truth. ”
Source: The Case-Book of Sherlock Holmes
Expectations make people miserable, so whatever yours are, lower them. You'll definitely be happier.
Oftentimes. when people are miserable, they will want to make other people miserable, too. But it never helps.
When human beings are peaceful and joyful within themselves, they will do just what is needed, nothing more, nothing less.