It's better to say "things fell apart." In this situation it means that the relationship simply broke into pieces. It's not a very common expression and it's mainly used to describe relationships. Of course, it can also mean that "a bridge fell apart" or "my house fell apart."

"Things fall apart; the centre cannot hold; Mere anarchy is loosed upon the world," These are lines from a poem by WB Yeats: "The Second Coming". "Things fall apart" can be said when something we believed would last forever, comes to an end. "Things Fall Apart" is the title of a novel by Nigerian author, Chinua Achebe.

fall apart = break down fall apart 1. To break down; collapse: The rickety chair fell apart. 2. To suffer a nervous breakdown: He fell apart after years as a POW. http://www.thefreedictionary.com/fall+apart

不是 idiom, 是一首诗里的名句，也是有名小说的名字。 这里差不多是 “人有悲欢离合，月有阴晴圆缺” 的意思。

lets read "things fall apart" with "german:befallen", because german and english are from one root. then "things fall apart" are {things happen up from the heart, maybe from the ward or upwards, and invitations happen over artificial imitations}. and "to tell" is a "payment" from "bud-get", there might be another verb for "to tell", maybe, "say to me". with Apostels the Bible is a great source of realization and for realization. so, we retalk.