Gaming anology for fellow nerds:
Meditating with deep, unadressed psychological issues is like walking underleveled into some hardcore dungeon.
Fixing deep psychological issues with prior meditation work completed feels like unlocking item prerequisities. Suddenly, it *works*.
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Problems you are not ready to face are no better faced with more acute awareness. You're just increasing their surface area.
Without obstructions, that awareness is suddenly a positive force multiplier.