it happens

it happens

Don't worry about it; it's not a big deal. Usually said of mistakes or accidents that are unfortunate but not uncommon. A: "Uh oh, I think I broke it!" B: "It's all right, it happens—we'll just go to the store and get a new one." A: "I really screwed up in work today, and I feel awful about it." B: "Hey, it happens. I'm sure everything will be fine."
See also: happen
Farlex Dictionary of Idioms.
See also:
  • (I) hope not
  • hope not
  • not for a second
  • aint
  • ain't
  • not for a minute
  • not for a moment
  • fret not
  • Fret not!
  • not for a instant