What If?

Certain people
Certain strangers
Capture you
Certain elements
Streams of winter sun
A woman crosses her legs a certain way
Smiles secretly into her book
Certain people
Could be your friend
If they happened to look up a certain moment
Could enter your world
Certain people
But if they read that one extra sentence
You must go without them
Through all of life without them
Certain people, when you pass them by
Break your heart, though you know not why.