why is he just sitting in the water?

my (i think) 3 month old crested gecko has never shown interest in water; i have put a cup of water in front of him seeing if he would go in voluntarily but he has always turned away but i had always kept this bowl just in case he got thirsty and j didn't mist it because i wasn't home or something but today i went to go play hockey and i came back (2 hours later) and i checked on him going to mist him and i see this