Possibley getting my hopes up???

Tuesday suppose to get AF but I honestly think im pregnant took hpt last week an it was negitive so that kinda bums me out but other thoughts i think I am ive gained crazy weight having other symptoms an also my sex drive is different its like when I want it I want it now an cant seem to get enough but when I don't want it an he does im like get away from me dont want nothing...confused excited idk what to think? ??