How to answer “Any plans this weekend?” when you have a chronic illness

If you work with people, this question is going to come up. If you don’t work with people, any people you meet during the week may ask you this question. Before I got sick, I had ten ways to answer this question (craft fair, dog agility, hiking and the list went on). Now, it’s trickier. I don’t do anything notable so I don’t have notable things to say and eventually you feel like your coworkers are judging you even when they aren’t.