Verb
To break into a number of segments; to collapse.
The covers of the old book fell to pieces when I picked it up.
(figuratively) To be emotionally devastated; to break down.
When I found out my mother had passed away that night, I fell to pieces.
A resilient system doesn’t fall to pieces if it experiences a shock from the outside. Source: Internet
"However, several more months must pass before we can convincingly show that what has been done was not a flash in the pan, and that we won't fall to pieces at the first sign of hardship." Source: Internet
You have all the graces of the season to not fall to pieces. Source: Internet