He senses that his enthusiasm for sex is far greater than yours, and knows this won’t play out well in the long run.
“Why is it that a guy fiercely pursues a woman at first, and then when he finds out she is actually interested he is not so sure if he is interested anymore? For background, I’m 29, live in Australia, and I’ve been on 5 dates with this guy so far but we haven’t kissed yet.” — Sheila Well well.
And then his interest wanes and he starts treating her like an option instead of a priority? An excellent question that has been posed by women since time immemorial.
Why waste time when a better match is around the corner? In every interaction, whether on phone, online or in person, keep in mind, “There’s a real human being on the other end, and a small but nonzero chance this guy/girl could be my future ex-spouse.” So be nice now, and pay attention. If you were to remember one of the Four Agreements from Don Miguel Ruiz’s Toltec wisdom, let it be #2: don’t take anything personally.
Therefore, in the early stages of courtship, people in this age of electronic dating are in Merciless Elimination Mode. With that out of the way, let’s talk about why guys go poof. Even if it is about you, thinking that it’s not about you keeps you saner in the long run. He’s bored, and he finds your company marginally more interesting than a night of Archer reruns.
He didn’t have the courage to ask your supercute friend out, but you were cute enough, more attainable, and standing next to her, so voilà.