Socialization doesn't always have a social component. Learning to be alone is another facet of teaching your pug about life. This is especially important if your pug will be by himself during the day. Dogs that don't learn to stay alone comfortably can develop separation anxiety, which often results in destructive behavior and emotional problems.

Gradually accustom your pug to being left alone. Start by leaving him in a room for just a few minutes. If he has a habit of following you from room to room, put him in his crate or close the door. Gradually increase the time you're out of the room. Graduate to leaving the house to go into the yard or get something out of the car. Put your puppy in his crate or safe area where he can't do any damage.

When you're away, leave a favorite soft chewie or other toy to help prevent boredom. Rotate toys on a regular basis so your pug doesn't get bored with his entertainment options. Turn on a radio or television so he has something to listen to. If you're going to be gone for more than four hours, take him for a walk just before you leave so he has a chance to potty and get a little exercise.

When you leave, don't make a big production of saying goodbye. You want your pug to view your comings and goings as normal occurrences. If you act anxious and give him lots of hugs and kisses before you leave, he'll be disappointed when you leave. Instead, put him in his crate or safe place, give him a treat and toy, and say goodbye in a matter-of-fact tone of voice. Behave the same way when you come home. Greet him calmly, and after you get settled, take him outside for a play session.