The key is to know the person before hand, joing a slow time live chess group is a good idea and organize the game. good practice for OTB chess.
http://www.chess.com/groups/home/slow-standard-chess-group
here is one such group
Long Live Games
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Sounds like a nice idea.
http://www.chess.com/livechess/game?id=436055842 (25|30)
And before the New Year I think, I played a 90|30 one.
Do any of you play in these long games that pop up on live? I've seen many 60 minute games, 120 minutes, and even 30/60! 60 min seems fun to me, but when the person other person starts losing and decides to do nothing for 45 minutes, it really ruins it.