My 4 month old puppy was potty trained until recently.It is hard to figure out the cause as 2 new things occurred. 1. He was neutered on April 8 and 2. He was no longer allowed to go in the backyard untethered (he began to wander too far and I have no fence). He will be outside for awhile, laying in the sun then come in a urinate on the floor. He even jumped on the couch and peed right in front of me. I am at my wits end. Any help on this subject is greatly appreciated.