AMERICAN IDIOMS (V)
(To) vanish into thin air:
To disappear without leaving a trace. ex. "Whatever happened to that actor? He seemed to have vanished into thin air."
Variety is the spice of life:
Proverb meaning life is made more interesting by doing new or different things.
The last. ex. "We were able to buy the very last tickets to the concert."
Sequence of cause and effect with bad results. ex. "He had fallen into a vicious circle of drinking too much and then losing his job and then drinking even more."