Every Second Friday

Now that Ted was back in town, Dianna had been thinking up ways to edge him back into her life. She regretted not marrying him all those years ago when he'd first asked her, but she wasn't going to let him get away for a second time.
This was why after she arrived at the library/art gallery on the wrong Friday and a strange man that she had never seen there previously, pushed her down the stairs and told not to come back again, the first person she thought of running to was Ted, who lived close by...