Consuming NO MORE than one glass of wine, beer or mixed drink with a meal in a hour is generally safe for driving. Upper limit of drinks for males is 21 and for females is 14 drinks per week. Most studies suggest that these limits are safe for health. In older individuals moderate drinking may help prevent against heart disease. This amount, of course, is spread out over a weeks period.
Most people love to go to parties, and most find that parties are fun to give.
The following tips for being a responsible host will give more pleasure to you and your guests. Plan people movement. Make sure that people can move around and meet each other. If it means putting the sofa in a corner, do so. Pace the drinks.