How often do you approach attractive people of your preferred gender in, e.g. bars with the intention of having some kind of romantic interaction?
Never. That could explain it. I don't watch romantic movies either, or any TV.
So, how does the script normally play out?
"No."?
"No, we don't know each other well enough yet?"
"snort Too poor to get your own, are you?"
Ignore or somehow deflect the request and talk about something else?
None of the above?
If I had to guess I'd go with the fourth, but I'm only guessing.
ETA: I don't mind getting the karma, but I'm curious about why I'm getting several upvotes within minutes of posting this.
Followup to: Do you have High-Functioning Asperger's Syndrome?
LW reader Madbadger uses the metaphor of a GPU and a CPU in a desktop system to think about people with Asperger's Syndrome: general intelligence is like a CPU, being universal but only mediocre at any particular task, whereas the "social coprocessor" brainware in a Neurotypical brain is like a GPU: highly specialized but great at what it does. Neurotypical people are like computers with measly Pentium IV processors, but expensive Radeon HD 4890 GPUs. A High-functioning AS person is an Intel Core i7 Extreme Edition - with on-board graphics!
This analogy also covers the spectrum view of social/empathic abilities, you can think about having a weaker social coprocessor than average if you have some of the tendencies of AS but not others. You can even think of your score on the AQ Test as being like the Tom's Hardware Rating of your Coprocessor. (Lower numbers are better!).
If you lack that powerful social coprocessor, what can you do? Well, you'll have to run your social interactions "in software", i.e. explicitly reason through the complex human social game that most people play without ever really understanding. There are several tricks that a High-functioning AS person can use in this situation: