Over the last few days, Chester (who I thought was completely housetrained!!) has started to cock his leg around the house.
I have told him "no" when I see him & have put him straight outside but yesterday I wasnt quick enough & he actually sprayed on the footstool. Also, this morning, he was in the spare room & sprayed on the corner of the bed.
Why would he suddenly start doing this?
How should I be handling the situation?