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1. I Guess This Is Growing Up by Quartzpeach

   Fandoms: It's Always Sunny in Philadelphia  

   • Mature
   • Creator Chose Not To Use Archive Warnings
   • M/M
   • Complete Work

   07 Mar 2020

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Mac McDonald/Dennis Reynolds
   • Mac McDonald
   • Dennis Reynolds
   • Dee Reynolds
   • Frank Reynolds
   • Charlie Kelly
   • Brian Jr. (It's Always Sunny in Philadelphia)
   • Mandy (It's Always Sunny in Philadelphia)
   • Family
   • Parenthood
   • Minor Character Death
   • Lesbian Dee Reynolds
   • Asexual Charlie Kelly
   • Bottom Dennis Reynolds
   • Eventual Smut
   • Romance
   • Slow Burn
   • Everyone Is Gay
   • THERE’S ONLY ONE BED

   Summary

   Mandy dies, so Brian Jr comes to live with Mac and Dennis. Dennis doesn’t know how to be a dad, Mac doesn’t know how to help without totally overstepping his boundaries, and in-between them is all the things they do not talk about.

   Language:

   English

   Words:

   1,271

   Chapters:

   1/1

   Comments:

   1

   Kudos:

   91

   Bookmarks:

   5

   Hits:

   1,123