I think if you want to limit a meeting to 45 minutes, you should schedule it to start at 15 minutes past the hour. (Everyone always sticks to that mental "hard stop" at the top of the hour.) ...

It’s a common enough situation for many gamers: After what must’ve been hours of play, there’s only 15 minutes left until another engagement like school or work pulls you away from your game.

If you can make your your one-hour meetings 45 minutes, or struggle valiantly but fail, we're listening to your war stories in the comments. The 45 Minute Meeting [TimeBridge] ...