How do you tell "I've invested too much to quit" from "I've invested too much to keep going"? Here's the framework that finally unstuck me.

I was unmatched. Years on the path, and a frankly embarrassing amount of money on exams, applications, observerships. The question that wrecked me wasn't "how do I match next cycle." It was quieter: am I staying because this is still the right call, or because I've already put in too much to walk away?

Took me far too long to see those are two different questions. Sunk cost makes them feel like one.

Here's what finally let me think straight. Sharing it because I wish someone had handed it to me three years earlier.

1. The blank-slate test.
If you woke up today with zero history on this path — no money spent, no years in — but the exact odds, savings, age and family situation you have right now, would you start the IMG route from scratch? If yes, you're not trapped, you're committed, keep going. If you hesitate, that hesitation isn't about your future. It's the weight of what's already gone.

2. Sort every reason into "spent" vs "coming."
List everything keeping you in. Tag each one:

• Already spent — gone whether you stay or leave (the money, the years, the exams you passed).
• Future return — only exists if you continue (a match that's genuinely likely, income you'll realistically earn).

When I did this honestly, almost all my "reasons to stay" were already-spent. None were coming back regardless of what I chose. That's a sunk cost by definition, and it should carry zero weight in the decision.

3. Name which layer is actually holding you.
For most of us it's one of four: money, time, identity, or immigration status. Mine wore a money mask but was pure identity — I didn't know who I was if I wasn't "almost a doctor." Naming it took away half its grip.

4. Find the smallest reversible step.
Pivoting isn't quitting on a Tuesday. It's running one low-cost test of an alternative while the main path stays open — a certificate, a contract role, one conversation. Staying and testing aren't mutually exclusive. Gather data before you decide.

None of this hands you the answer. It just stops the answer from being hijacked by money you're never getting back.

If you've been through this — what finally tipped your decision, either way? Genuinely want to hear it, especially from people who chose to keep going. This sub skews "try harder," and I think both choices deserve airtime.