Definition: Please see notes below.
This line has caused much debate. Four possible meanings are: (1) she should have died after the battle when there would be time to mourn properly; (2) she should have waited for me, seeing that my death is so near; (3) she would have died at sometime, either now or later; (4) she should have died after the battle for now, with her gone, I know I shall not win.
For more, see my full commentary on the soliloquy.