Couples Not Good Flatmates?

So, Christian has been looking online at dozens of available rooms in Berlin. We decided that we're going to be most likely using a flat-share. This means that there are several rooms (2-5 i guess) and everyone in that apartment shares a kitchen and a bathroom. Sounds like a dorm to me.

Anyway, he's been trying to get into contact with several of the people who have advertised their free space, and been getting rejected because I guess a lot of people aren't open to a couple moving in. After another prospect turned us down, Christian told me, "He kinda said that we'd always be the couple to the 'outside world' and not two individual members of the apartment." At this point I decided that we probably didn't want to live with a crazy person anyway. Seriously, though, what is that supposed to mean? Christian says some people are really picky about who moves in, "i guess many people here cherish flat shares for their tolerant, interesting and what not notion..." A couple moving in threatens to "throw off the natural atmosphere of the flat-share" (another note from Crazy Pants).

Oh well, Christian managed to set up two appointments with people not threatened by our "couple-ishness" for us to see the apartments as soon as I arrive in Berlin. Here's hoping.