The Betrayal Between Them Pure Taboo ((link)) -

When the dominant figure betrays the subordinate, it isn't just a "breakup"; it is a shattering of the soul. Conversely, when the "weaker" party betrays the stronger, it is often seen as a desperate act of revolution or a tragic fall from grace. The Aftermath: No Easy Exit

"About the fact that you're leaving for Nepal next week. With him." the betrayal between them pure taboo