How does a conclusion support the introduction in a realistic fiction

It pertains that idea of how in real life everything has a begging and end (conclusion), so if you want a story to seem real, even tho it’s not, give the story a conclusion so it gives the story a realistic feel that you want your readers to have, convince that what u wrote could actually happen in life.

1a.sleeping2 b .trying to impress jordan attention 3 c.daisy lookout5 b.football player