I would say “He went to a masquerade every night, made kites out of five-pound notes, and threw pieces of gold into the sea instead of stones, making ducks and drakes of them.”
shows that he is oblivious and irresponsible, squandering his money freely and literally throwing it away. It is until he ends up with nothing and no one, does he truly understand how lucky he was. (I don’t know if this is more of a there’s only one answer or it doesn’t matter as long as you support it question but I think it’s the best for the statement:)