How to use "fantasy" in a sentence

But then, inevitably, her fantasy burst, for he wasn't Danny.

This was a warm and wonderful fantasy, but she could not sustain it for long

A glittery fantasy could metamorphose into a crude, tasteless, and stupid bore if the wrong hand guided it

But he was so involved with his fantasy that he wasn't aware that she had no desire to be a part of it

The third floor housed the machinery that supported the walls of fantasy, beyond which the tourists gamboled.