Disappointment happens when you _______________?

...are about to nut but she turns around and is a male

When your standards are set to high. When you think negatively. When you expect the unexpected.

You fulfilled your end of the bargain and the other party fails to do thier job.

Put your happiness in someone else's hands.

Set too high expectations !

Have expectations.

Have expectations

...trust people.

trust the untrustworthy.