Give quotes for how guilt affects Lady Macbeth
1.5: "Stop up th'access and passage to remorse"
3.2: "'Tis safer to be that which we destroy / Than by destruction dwell in doubtful joy,"
3.2: "Nought's had, all's spent / Where our desire is got without content"
3.2: "What's done, is done,"
5.1: "What's done cannot be undone,"