I relate to this so much... not really sure if it’s a common symptom of emet or what but I’ll check to see if my mouth feels really dry, or if my lips are pale. I’ll check my complexion too to see if I look green. I’ll usually check for a fever too. But I always know I’m going to be sick when I get chills and I can’t get warm, and when I get like an empty gnawing feeling in my stomach. It’s good to know I’m not the only person that does this