We see Rob, Barry, Dick and Marie drinking in a bar. Rob and Laura have drinks in a restaurant, as do others. Ian and Laura have wine with dinner. Liz has wine while Rob has a drink. Charlie, Rob and others have wine at her dinner party.
People drink at a wake.
Rob and Laura have wine with some people. Rob and others have beer in a restaurant. People have drinks in a club. In a fantasy sequence where Rob, Barry and Dick beat up Ian, the latter's face is somewhat bloody. In a flashback to high school, Rob breaks up with a girl because she wouldn't have sex with him.