Usar "vain creature" en una oración

1. Jack studied Suzy for a moment as she stretched out on the sofa and thought what a deluded, self absorbed, vain creature she was

2. This is revealed to be the case when, but in the next moment, the beautiful monster detaches itself from the moth and begins to spin it in its web, slowly but surely creating an imperfection upon its home that, to such seemingly-vain creatures, should be impossible in such colonial behavior

3. “Vampires are vain creatures, he liked what he saw