Armistice (слэш)

Things were good, all told. Weren’t they? He had a job he was good at, a modest flat, a fantastic daughter who worried about him a bit too much for comfort, an ex he could at least speak with without it devolving into shouting and tears, and his car was in decent repair. On paper he was doing just fine. So why did he feel so…at a loss?
Furthermore, Greg and Mycroft weren't actually dating. Mycroft was just a casual shag. This was an important thing to remember.