Twenty Minutes

Twenty minutes is the waiting time in dental offices, at bus stops, in restaurants.
In twenty minutes the world can change, some wars are shorter,
twenty minutes is seven rounds in the boxing ring!
Twenty minutes is how long a theatre intermission lasts.
In twenty minutes you can cook four eggs - one after another.
Twenty minutes is the time in which we can focus on another person.
Sex lasts on average twenty minutes
… and shopping at the supermarket.
Twenty minutes pass before the police arrive.
Twenty minutes elapsed between the first and second impact of both planes at the World Trade Center on September 11, 2001.