(idiomatic) Don't waste time on trivial issues

(idiomatic) A soulmate; a one and only.

plural of quarter-life crisis

(psychology) A situation resembling the mid-life crisis but taking place earlier, when roughly a quarter of one's life has passed, typically in one's twenties or thirties.

plural of new lease on life

Not endangering the continued life of the subject.

An opportunity to live longer than was expected, due to some kind of reprieve. / (figuratively) An opportunity to an improved quality of life, due to some change in circumstances.

plural of work-life balance

Something whose outcome could result in either someone's survival or their death / (idiomatic) An extremely urgent matter.

(idiomatic) An independent existence with some characteristics of life.