What to do when things don't go to plan..

So I've just returned from my travels where I was over in the States for almost a month. And yep, the one thing I didn't want to happen, happened.. I managed to get covid whilst I was there! So let's just say some things didn't quite go to plan. So what do you do in these situations, do you fall into a helpless heap of worry and freak out? Or are you able to control your thoughts and not fall into a victim mindset. Here's what's helped me pull myself up when things don't go to plan!