He will need to! Try putting some broth of some sort in the water to see if it will be more enticing? That has been mentioned on here before. Get the natural broth tho= not the salty stuff with all the added junk. Also since you are hydrating him with ice cubes, and his love for the snow..... perhaps he has 'trained' you to give him cold fluid. You may want to try not giving him cubes for a while before trying the water with broth so you know he is thirsty. I hope he drinks for you! Bottoms up!