i used to hate drinking plain water but for a couple of days i cant get enough of just the taste of…

i used to hate drinking plain water but for a couple of days i cant get enough of just the taste of it like im nit thirsty but my teeth ache for the taste water gives so i fix a glass swish around my mouth and spit it out .... is this my iron or what?? i had my iron tested before and its was fine.....