DH and I go grocery shopping once a week, on Tuesdays. We have the same routine every week: leave work, drive home, eat dinner at Longhorn while making the grocery list, then grocery shopping. We’ve been doing this for, oh, 2-3 years now, I guess. Usually, we sit at a booth somewhere out of the way. We don’t have a regular table or anything. This time, though, we were running a little late, so we were at a table near the entrance to “the back.” No problem, I’m not picky about where we sit. But being there did make me keenly aware of something: we are rather well known at…