I tend to view lust and love on a spectrum, just like Asperger's and Autism are on a spectrum. On one end is lust, the sexual need for a being to serve their own ends and/or to procreate. There's no emotional attachment involved. It's pretty much business as usual. On the other end of the spectrum is love, the strong emotional attraction to someone else in which the other person shares the same attraction. I normally define love in this sense as being unconditional, that no matter what happens, what is done, and so on, both people will love each other, no matter what, and can overcome pretty much anything.
I've found that for most people, it's harder to achieve true, unconditional love than it is to find pure lust. I suppose that's because it's easier for most of us to give into our base drives and instincts than to hold them off and control them. Me? No lust for me. I want unconditional love. That's pretty much all I want. I don't have much of a drive for sex. I don't want sex, in all honesty. My hand serves its purpose just fine in that regard.
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"...I don't care if it is genocide, as long as it gets rid of you idiots..."