May be you have notice, street dog come near people wagging. And when somebody kick them, the dog runs away like hell. After sometime, the dog come near to the same person, wagging his tail and to be kicked again.

Moral of the story: UML got kicked once my Maoist and still UML is wagging to them, to be kicked once again. See the following news.

Maoists, UML join forces to stop Koirala from attending SAARC summit
http://www.nepalnews.com.np/archive/2008/jul/jul29/news09.php