If you must commit this cardinal sin, there are good ways and terrible ways to deal with the aftermath.
When you move in with new people, there are a few generally accepted Golden Rules: pay them back for Ubers, don’t steal their milk and don’t, under any circumstances, sleep with one of them – even if they look a bit like Paul Mescal when you squint. That said, rules are made to be broken, and many people inevitably fall down at that final hurdle.