puppy found out he can hike his leg

Question
My puppy, shih tzu was house trained until he found out that he can hike his leg. Know I'm finding places where he hikes his leg.  I have a female German shepherd out side but she does't come in if she does I put her back out. What do I do?
Thanks Yvonne

Answer
Neuter him if not already.  It is no cure all, but no sense fighting this problem in an intact dog.  Such behavior disqualifies him from any consideration as breeding stock. You also need to work on leadership.  

The key to most behavior problems is approaching things using the dog's natural instincts.  Dogs see all the people and dogs in the household as a pack with each having their own rank in the pack and a top dog.  Life is much easier if the 2 legged pack members outrank the 4 legged ones.  You can learn to play the role of top dog by reading some books or going to a good obedience class. A good obedience class or book is about you being top dog, not about rewarding standard commands with a treat. Start at http://www.dogsbestfriend.com/  For more on being top dog, see http://www.dogbreedinfo.com./topdogrules.htm