George and Lynne are out and about. Lynne sees an amorous couple and reminisces to George about when they were still dating. George says it was a long time ago and Lynne replies that she knows but she wishes they still were dating, because she now sometimes feels a little dated.
Instead of seeing two people in a clinch on a bench and being embarrassed, George and Lynne feel warmed. However, George looks very happy so might be feeling a little aroused. Hence his actions at the end.
The woman on the bench looks similar to the woman from the gift shop. This could be Harry too, although he is a little blurred and it is difficult to tell. If it is him, he must have finally got round to going to that gift shop. Let's hope he didn't catch anything from Tabitha.
If Lynne felt a little dated in the 1980s, you can only imagine what she feels like now what with the way modern technology has advanced. The 60 year old Lynne is probably hiding under some blankets at home, waiting for the apocalypse.