Unnatural water obsession and less food eating!!!?

Ive been craving a ton of water since New Years. im pretty sure im not dehydrated cuz ive been drinking eight gles b4 that but now ive doubled that!!! plus i wont drink room temp water it has to be cooooold otherwise i just eat ice cubes. i havnt been eating a lot too i only had about a cup of rice for dinner, oreos, oj, and a bagel today but then ive had all this water!!! CANT GET ENOUGH H2O