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A canine cop took early (36) after bosses at South Yorkshire Police noted his poor motivation -- and a fondness for making friends with noisy drunkards, his former (37) said Monday. Buster, who spent six months as a police dog, has been (38) with a family in Sheffield, near this town in northern England, Police Constable David Stephenson said. "He has a lack of drive and (39) when asked to do operational work," Stephenson told The Associated Press. "He’s just a lovely pet." Two year-old Buster (40) well at the start of his 14-week training program, but his work (41) deteriorated and the problem (42) once he started pa trolling the streets, he said. (43) His handler couldn’t believe what the dog was doing. (44) Stephenson said. "You would have expected him to use his nose to locate him." (45) "He just stopped working," Stephenson said. "He just lay down and there was nothing we could do. He has got a very low drive for finding people." In Rotherham at bar closing times, the streets are often crowded with drunken revellers. (46) , his former handler said.