You had POTS, a blood circulation disorder that causes a rapid heart rate when moving from a sitting/laying position to standing. It often leads to dizziness, lightheadedness, or fainting. The Batfamily was understanding of this, doing their research, making sure you weren’t alone when you passed out, letting you add as much salt as you want without batting an eye, constantly making extra food to fit your diet, and making sure you always had some type of drink with you. They were worrywarts to say the least, which is valid considering right now you’re on the floor passed out in a weird position that’ll probably hurt your neck later.