This Galaxy is vast; its wonders and beauty are almost unfathomable. But the galaxy also hides dark secrets, some of which have lain dormant since the beginning of time itself. There is a danger in secrets, both in seeking and in knowing. Some things are meant to be hidden from view. Some mysteries defy understanding, and sometimes even the things we think we know are untrue. Some secrets should remain untouched.
edit: just smile and talk with them- if you will shut up all the time and act depressive, then nothing. Trust me. You might even get lucky if you have good vocabulary- thank me later B)
edit 2: Don't let Yuki bring you meal then, you won't get lucky with them. B)
edit 3: there are some highschool girls (in every hospital) who have their "pre- work" time there as part of their education. B)