my snake is like 74 cms now...and it use to be always hyper but now wen i look at him he looks soo weak and not healthy.....he ust o be soo hyper now at night he never tries to escape and dsnt do anythin anymore.......i feed him every 2 weeks......and how can i find out his age....??.......do u guys recomment vitamins?? ......and im feeidin it adult mice now...i use to feed it small mice.....u guys got any advice..??...i rreally need help he hes soo weak....and boring............