Perhaps as good a classification as any of the main types is that of the three lusts distinguished by traditional Christianity - the lust of knowledge, the lust of sensation, and the lust of power.
I like to feel that what I'm doing portrays this: a family where there is love between mother, father and the kids. It's a subject that is near and dear to me.
Love is the delightful interval between meeting a beautiful girl and discovering that she looks like a haddock.

