On this week's titillating Dear Prudence

Yet another reason why college room-sharing is a terrible idea. Prudie's advice - "Just think of this as one of those 'out of classroom' learning experiences admissions officers are always touting." - doesn't really add up, because under what other circumstances later in life might this happen and not constitute massively inappropriate - criminal, even - behavior? Yes, it's a life lesson to pretend not to hear what's going on behind closed doors (including, as Prudie notes came up in an earlier column, behind bathroom doors), but a within a room is a different story. Even aside from anything explicitly intimate, it's natural as well as socially expected to have an on-off switch when it comes to what's public and what's private. How is it supposed to be a good thing to transcend that impulse/expectation?