Because in every relationship there comes a point when the damage is too much and no matter how good it once was the memories can't sustain you. You have to save yourself knowing all the while it hurls like hell, because you can't keep giving someone ever
"I think part of the reason why we hold on to something so tight is because we fear something so great won't happen twice." Sad thing is that holding on will also keep a greater thing from coming. Fear should never be a motivation.