After quickly downing his drink, the man replies
"I got home and found my wife in bed with my best friend."

"Wow" exclaimed the bartender, as he poured the man a second triple.
"No wonder you need a stiff drink. The second triple is on the house."

As the man downed his second drink, the bartender asks him
"What did you do?"

"I walked over to my wife" the man replies
"looked her straight in the eye and told her that we were through
 and to pack her stuff and get the hell out."

"That makes sense." said the bartender,
"but what about your best  friend?"

The man replied, "I walked over to him, looked him right in the eye and said 'BAD DOG!' "