I would say its a crime to keep any expectations from anyone at all. May it be your spouse, your parents, friends, siblings or anyone on this earth. (Although about children I am not too sure since I have no children.) For when these expectations are not met, it is we who end up getting hurt.
From making statements like “I didn’t expect this from you”, “This is the least I expected from you” or “I expect at least you to do/understand this/me”, Good Lord, Deliver