Someone has been given permission to vape in my small office on the short periods he is here (normally here on my own aside from an hour or two with the boss). After an hour of them being in here I feel sick. I can't work out if I genuinely feel sick because of the vaping or because I'm telling myself that's it and it's just in my head. I don't know anyone else who vapes (not around me at least) so have no other experience to say if it's genuinely making me feel sick.
Is that a normal thing? If you don't smoke or vape, do you also feel sick when you're around someone who is?
(I know it's probably illegal to vape indoors/work but that's not what my question is about)