When my so was first seen by salt I was told his play skills were delayed which I was not surprised by but 2 year on (quite a bit of salt) and I cant say that I have seen much improvement. Lately he has been spending quite a lot of time scratching at the floor and sometimes the walls and furniture with things such as an toy of anything he finds. Today it was the thermometer on the carpet. I am finding it odd and got a little frustrated with him today because he is damaging things.