The older you get, the fewer things you really love. By the time you get to my age, maybe it's only one or two things. For me, I think it's one.
One of the practical ramifications of this finding - that the strict regimentation of ant society into castes helps protect their young and their queens from epidemics - is that if you get your kid one of those ant colony toys for Christmas, the resultant ant infestation in your house will be long lived and resistant to epidemics.