Because some bugs aren't fixed by rules. They're fixed by realizing you’re on the same team.
The Pillowcase Accord: What 30 Days with My Sister Taught Me About Version 1.0 of Adulthood 30 Days - Life with My Sister -v1.0- -PillowCase-
They say you never really know someone until you live with them. I’d amend that: you never really know yourself until you share a pillowcase with your sister for 30 days. Because some bugs aren't fixed by rules