(be) careful what you wish for(, (because) you just might get it)

(be) careful what you wish for(, (because) you just might get it)

A warning that something that one desires might prove to problematic or undesirable were it to happen or come true. A: "I just wish they would give me a promotion with more responsibilities in work." B: "Be careful what you wish for. You might end up regretting how much more stressful your job becomes." A: "I don't know what to do with her—she's totally infatuated with Kevin and doesn't see what a jerk he can be." B: "Well, if they ever date, she'll figure it out. You know what they say—be careful what you wish for, you just might get it."
See also: careful, get, just, might, what, wish
Farlex Dictionary of Idioms.
See also:
  • land up in (something)
  • in a cleft stick
  • reconcile (oneself) to (something)
  • reconcile oneself to
  • in for
  • be in for
  • be in for something
  • leave (someone, something, or oneself) (wide) open to (something)
  • leave open
  • leave yourself wide open to something