1. falling out - Noun
2. falling out - Verb
a personal or social separation (as between opposing factions)
Source: WordNetfalling-out
Falling out of love is very enlightening. For a short while you see the world with new eyes. Iris Murdoch
Falling out of love is chiefly a matter of forgetting how charming someone is. Iris Murdoch
No one is more conventional than a woman who is falling out of love. Françoise Sagan
I was going to buy a book on hair loss, but the pages kept falling out. Jay London
I used to jog but the ice cubes kept falling out of my glass. David Lee Roth
First best is falling in love. Second best is being in love. Least best is falling out of love. But any of it is better than never having been in love. Maya Angelou