Sherlock Sickfic: In His Brother's Shoes by Wordgrrrl

Title: In His Brother's Shoes
Author: Wordgrrrl
Gender Getting Sick: Male
Character Relationship: Gay couple
Link: https://www.fanfiction.net/s/10560650/1/In-His-Brother-s-Shoes

Sherlock gets sick at his parent's wedding anniversary party. John and Sherlock are portrayed as a couple, but barely mentioned and could almost be read as just friendship. Also, some of the comfort part comes from his parents.