Which preposition to use with  somethings

Which preposition to use with somethings

Here she beholds the chaos dark and deep, Where nameless somethings in their causes sleep, Till genial Jacob or a warm third day Call forth each mass, a poem or a play: How hints, like spawn, scarce quick in embryo lie; How new-born nonsense first is taught to cry; Maggots, half formed, in rhyme exactly meet, And learn to crawl upon poetic feet.

Until you get married before you can comprehend somethings about marriage.

But the two twenty-somethings inside the minivan only seem mildly perturbed.

An actor, his best known roles were in Ladies' Choice, Affection and in Something Out of Nothing.

Turns out there are six 20-somethings with an eye on becoming the face of the sport.