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 will hurt like hell.
Ways you can annoy me for sure. Those who've routinely dismissed me and what I think, who have shown no respect but instead arrogance, are no longer of any importance to me. I can take them or leave them, mostly just forget them.