Well I have a puppy that is about 6 months old and she is tall and thin and about 37 pounds now and my sis lives next door and she has to chi's that are about 5 1/2 months old both boys. Well Odi ( one of the chi's ) and my girl Roxy are in love and I mean utter all incompassing complete innocent total love well Odi found a loose spot in their fence and made his way over to our fence today, and before my sis found this spot he was over several times. My Roxy girl was just sitting at the fence so happy to see him but he couldnt get into our fence. Wel suddenly their her was in our fence so I thought my sis brought him over ( because they visit on and off all day ) we she didnt know how he got in. Come to find out my Roxy had dug her boyfriend a hole for him to come in and out of LOL We just think its the cutest and funniest thing ever. We had to fix both fences hers and mine because we dont want them getting out but I thought it was so cute and sweet I wanted to share......LOL Puppy love for real!