Initially there are two things we learn. The first is that Lynne wears glasses to read. Maybe she usually wears contact lenses during the day. Were they invented in the 70s? I'm not sure. The second is that George is drunk. We know this because he has foolishly balanced his glass of win eon the duvet. No sober person has such a wanton disregard for the balance of a beverage. If it was his first, there is no doubt that that glass would be securely placed on the bedside table.
We also know George is drunk due to his advances on Lynne. For god's sake man, can't you see the women doesn't want to have sex right now. She's got her glasses on, she's reading her book and now she's physically turning away from George. As George leans in, he has a more secure grip on his wine but who knows where it could go. It almost seems like he's shouting that last word. I do hope that George isn't an angry drunk otherwise Lynne could be in for a rough night.