go to pieces
• become so upset or nervous that one is unable to function normally.
• "my mother went to pieces after his death"
Similar:
have a breakdown,
have a nervous breakdown,
have a mental breakdown,
break down,
go out of one's mind,
crack,
snap,
lose control,
lose one's head,
fall apart,
crack up,
come/fall apart at the seams,
disintegrate,
freak,
freak out,
get in a stew,
go into a spin,
fall to pieces
• break up, come apart, or disintegrate.
• "we have an elderly fleet that is virtually falling to pieces"