The old book began to fall apart when I opened it
Their relationship started to fall apart after the argument
The wooden structure was so old it started to fall apart
If you don't use the right glue, the model will fall apart
His plans for the project began to fall apart due to lack of funding
Hey, I'm trying to decide between two vacation destinations. Any advice?
Oh, that's exciting! What places are you considering, and what are you hoping to get out of the trip?
That's helpful context! What are your biggest worries, and how likely do you think your plans are to fall apart if something unexpected happens?
My old car started to fall apart on the highway
My old car began to break down on the highway
My old car's condition deteriorated on the highway