This has happened to me quite often even as long as I can remember.
When I'm around a group of people or just 1 person often I feel sick but it is a weird sickness like I would get some kind of mixed feelings or sometimes just a really bad feeling it is not always like that it really depends who I'm near to but I don't know why this happens. I have also been at the doctor and psychologist and it doesn't have to do anything with my health neither a phobia or trauma so why does this happen?. The worst time that this happened to me was with a really weird guy, my best friend told me to meet him because he also liked paranormal stuff and metal music and such stuff. We decided to meet each other at a bistro we talked and stuff like a normal blind date if you can call it that way. But I felt the whole time sick when I was with him not before I met him neither afterwards and when he walked me home he just hugged me it was kind of weird but I felt like dying on that moment not because I was nervous when he hugged me I just felt sick like something crushing me from outside and then like collapsing also like a feeling when you eat so much that you are going to puke I know it sounds weird. But we actually planed to have 3 dates before meeting each other so for the second date (next day after that) he called me before the date that he didn't want to see me anymore that I was freak and made him almost collapse. Because of that I wanted to research about some kinds of energies that make you feel sick. The only thing I found was about psychic vampires but then the "victim" should be feeling sick not the one that is taking the energy right? So why is it that "energy" makes me feel sick?