DEAR ABBY: My boyfriend’s best friend asked if we could drive an hour to visit them and their children on Saturday. I’ve met her twice, and we have chatted a bit online. I have met her fiancé only once. My boyfriend just told me she wants to take off with him to a bar for a birthday drink — or two — while I stay at home with her fiancé. When I heard about it, I said I am not OK with being excluded. He understood and agreed they would take a walk around the block instead. When I texted ...