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1. Leaving Like a Father (Running Like Water) by takesonetoknowone

   Fandoms: It's Always Sunny in Philadelphia  

   • Mature
   • No Archive Warnings Apply
   • M/M
   • Complete Work

   16 Feb 2026

   Tags

   • No Archive Warnings Apply
   • Mac McDonald/Dennis Reynolds
   • Mac McDonald
   • Dennis Reynolds
   • Internalized Homophobia
   • Homophobic Language
   • POV Mac McDonald
   • Canon-Typical Behavior
   • Canon-Typical Violence
   • Dennis Reynolds is a Bastard Man
   • Another North Dakota fic
   • Daddy Issues
   • Post-Season/Series 17

   Summary

   When a letter comes addressed to Dennis from North Dakota, Mac tries and fails to prevent the inevitable meltdown it will cause. It brings up years of pent up feelings neither of them are ready to discuss.

   Language:

   English

   Words:

   3,940

   Chapters:

   1/1

   Comments:

   17

   Kudos:

   39

   Bookmarks:

   5

   Hits:

   273