Op , you ' re so God damn lazy and worthless . I can ' t believe people are still supporting your ass . How does it feel being a human parasite ? <| sep |> tell them you ' re not interested , tell them not to tell you , and change the subject . <| sep |> I ' ve just seen so many marriages fall through because some guy with one hell of a past marries a good girl . This dude just can ' t let go . Things come to light . Divorce . The girls reputation is forever ruined even though she did nothing wrong . I don ' t want to end up like that <| sep |> Answering your question , you know it from survivors . Even if we didn ' t know that , you could make predictions like how vasoconstricting blood vessels will make something cold . You ' d also know what would happen if the hypothalamus decided to just let all the blood go instead of trying to save it . That last part I said was just me guessing why someone became warm and it turns out I was right . See ? Predictions can be one way to know how something will feel later on high . comhypothermia . html