At one point while Carla and Sam are talking at the end of the bar, Sam can be seen wearing a wedding ring.
When Woody is talking about how he and Kelly haven't slept together, he says he figured they'd wait until after they're married, because that's the way everyone in Hanover does it, implying that he hasn't slept with a woman before. but in Woody Goes Belly Up (1985) the whole storyline revolved around how he and Beth, his girlfriend from Hanover who is flown out for a visit, were overeating as a substitute for the sex they weren't having, and by the end, they realized they both wanted to, and finally did, sleep together.