It's weird, because my leo never used to go in his humid hide, then I bought some sphagnum moss (or peat moss I think it's called in US) and put it in, and he spends all day in it! He looks soooo happy! Too cute! He is in the process of shedding so maybe thats the main reason, but its still a releif as he NEVER went in his humid hide before! yay 
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What does man love more than life,
Fear more than death or mortal strife,
What the poor have, the rich require,
And what contented men desire,
What misers spend, and spendthrifts save,
And all men carry to the grave?