water or bloody mary or dr pepper
depending on what the social situation or type of golf or time of day, etc etc etc
Powerade or Gatorade. Quit drinking about 2 years ago. Never had a problem with alcohol but the older I got, the worse my hangovers got, to the point where they lasted almost 3 days. Even if I had only 5 or 6 beers, my hangover would be atrocious. It got to the point where it wasn't even worth it to drink at all anymore.
1 bottle of water
4 beers if playing 9 - will play to 9, then one for the ride home (on course).
6 beers if playing 18
Trying to capture the 3-4 beer buzz the entire round.
Football season, will bring a 12 pack and listen to pregame on radio
Golfed a few times with a box of wine, interesting effects.