(1) a state in which a person is happy about events that are destroying their lives
(2) a state in which a person is happy about a split in a group, whether it is a group of friends or a group of buisnesses
(1) She has developed a sense of optischism ever since she was diagnosed with her fatal illness, saying she is blessed to be suffering.
(2) Even though he had lost two of his best friends, he was filled with optischism over the new opportunities it presented him to make new friends.