What do you tell yourself about déjà vu?

for me it was the greatest thoughts travelling through my mind so fast and so important, I felt I so needed to remember with what my mind was telling/showing me. Also the blood rush through my body, the nausea, the glands in my mouth ... but what my mind was telling me begins to fade and I panic in not being able to recount what was just there in my mind. Sometimes I'd pass out or I tossed my cookies.
I do not have them anymore, had a successful surgery done some 11yrs ago and I do not miss those episodes.