gone to pieces

It’s simultaneously uptight and gone to pieces, lakeside and volcanic.

While Roosevelt campaigned in 1912 to return to the presidency, prominent US historian Henry Adams said: "His mind has gone to pieces… his neurosis may end in a nervous collapse, or acute mania."

Their strong bodies, “infinitely more complex than any machine or mechanical device on the inside, had always functioned perfectly, had never broken down, had never gone to pieces.”

Kaz had sworn he could get her off this island, but Kaz’s first plan had gone to pieces—maybe this one would, too.

Why had he gone to pieces like that, when no one else had?