Alsacienne: Firstly, no one mentioned alcohol. Secondly, water supplies are not customs sealed. Thirdly, there is no requirement to bring your own refreshments on board in anticipation of a 3 hour delay. It is NOT unreasonable to expect an airline to, at the very least, offer water when taking a 3 hour delay off gate. As I said, it's happened to me (with a German LCC) and we were given water or fruit juice during the delay (which was only just over an hour.