I also felt weird moving an adult male over to a tub, the people who had him before me kept him in a 40-breeder (with no UTH, and no way to keep up humidity, but that's another story). They said he was a really friendly snake and easy to get out of his enclosure. Well, he must have hated the thing because after a few days in a tub with correct temps and humidity, he would fight to get back into it if you tried to remove him, and if I tried to remove him now he would hiss and puff and fuss until he was out. I don't have enough adults yet to justify keeping males and females in different sized racks, they're all in a rack with 41 qt tubs, and they all have hides to use if they want.