A moment when you realize that you actually a substitute, not the main choice.
A moment when you realize that you always the second choice, not the first one.
A moment when you realize that you will be replaced once she accept his love.
It’s sad, because you already make him your main & only one.
* We can’t force people to love us. That’s the hard thing. And it really sad that you actually one of the choices, not the only choice.*