Our house has extra bedrooms but we (4 yo girl, 18 mo boy) are all in the same room and we love it. Our daughter is in her twin on one end and the three of us bedshare on the other, although we have a daybed about sidecarred because we're about to start kicking sonny boy out. I love the closeness of us all being in the same space and our daughter goes to bed hours before we do, no problem.
Sex just happens elsewhere.
Danielle, Nick, Gigi ('08) and William ('11)