Worrying is not necessary, since it is common to make this mistake or for this to occur.

Alternative form of as it happens

Used when someone's mistakes or flaws are acknowledged, as a reminder that everyone makes mistakes and has flaws.

(Internet, humorous) Unless one can provide the proof that one is requesting, that person has no credibility in the matter.

In a nonchalant manner, by ignoring the existence of a past event and pretending that nothing abnormal had occurred.

Used for consolation, possibly self-consolation, after someone has experienced something bad and for encouragement to make the best of the situation.

(slang, humorous) To try to make something catch on.

An expression of acceptance of misfortune and unforeseen bad circumstances or luck.

Alternative form of pics or it didn't happen

(colloquial) Bound to happen; absolutely to happen in the future.