Not just for physical activity but for emotions as well, the palpitations before a skydive or the increased heart rate when you are kissing your crush/GF/wife

Not just for physical activity but for emotions as well, the palpitations before a skydive or the increased heart rate when you are kissing your crush/GF/wife Not to mention the erection thing. These things seems trival and of relative importance when compared with life or death but they are still important to go back to live a normal life.