If your manager is suddenly criticizing your work, excluding you from meetings, or demoting your title, you might be facing "constructive dismissal." In Ontario, fundamental changes to your employment terms can be treated as termination, even if you haven’t actually been fired. But here is the trap: if you resign in frustration without legal advice, you could walk away from thousands of dollars in severance. This guide explains exactly how to document a "poisoned" work environment, why you must not quit on the spot, and how to build a legal strategy to exit on your own terms while maximizing the compensation you deserve.