Man I tried telling you before, physics doesn't mix well with other behaviors
. And now I'm sure you can see why. It's all headache and heartbreak.
One thing that you could try is to make two wall objects. A before-and-after type thing. So when the player hits a wall, the wall is destroyed, but it spawns an identical looking wall object in it's place that will react to physics but won't interfere with the player.