From: http://oxforddictionaries.com/definition/english/caprice Noun sudden and unaccountable change of mood or behaviour: her caprices made his life impossible I have never heard this word used in English before though! :)

His actions were motivated less from pity and more from caprice.

From: http://oxforddictionaries.com/definition/english/caprice Noun sudden and unaccountable change of mood or behaviour: her caprices made his life impossible I have never heard this word used in English before though! :)