Here are some things you will absolutely never hear on Battle.net:
"Wow, that was a close game. We should play another to see who is more talented."
"Well, I guess it's about time I got owned. I would challenge you to another game, but you would just own me again, so I won't bother."
"Although I am attacking you with a large army that you cannot possibly defeat or run from, I won't say 'gg' because the game is not necessarily over yet."
"Well, I just completely owned you, but I'd be glad to play a regame just incase I got lucky this time."
"Though you got horribly slaughtered that game, you are not a newbie, you simply require more practice to return to your higher skill level."
"I guess you just beat me fair in square. There is nothing I could have done to win and you did not use any hacks or unfair tactics."
"Though I was eating and talking on the phone, I can see that your strategy is clearly superior to mine and I would have lost anyway."
"Wow, you have an account with 50 wins! I shouldn't bother playing you since you are clearly awesome."
"I think I will save this replay and find out exactly why I owned you so I can come back and train you."