It doesn’t have to, it’s something that happens.

It’s like seeing a person you never saw before — you could be passing on the street —

you look at each other and for a few seconds, there’s a kind of recognition. Like you both know something.

But then the next moment the person’s gone, and it’s too late to do anything about it, but you remember it because it was right there and you let it go, and you think,

"What if I had stopped and said something?"

It might happen only a few times in your life.