My boyfriend and I practice both also. I agree with what ID said.
So if your going to have it out of the bedroom it would be because you want him to do it, and he just as much as you want it, wants to order you around. Although it doesn't really have to be him ordering you around, its more of how you act around him, and then when you do get back to the bedroom he gets to spank your butt, and tie you up for saying anything wrong.
When we are in public,it is the little things that we do that only him or I would notice. At home, I wear a collar,not because I have to, but because I want to. Its the way I'm standing there, waiting for him at the front door when he gets home, with eyes down and this wicked smile on my face. The way I always bring him meals and take his plate when hes done. The way he strokes my hair when I sit at his feet, and so many others.
I would consider our relationship more D/s than TPE. He doesn't control every aspect of my life,but does control some.
After all If he tried to take away everything he loved about me, what would there be left?
~just my thoughts~