Think for a moment of a time you were talking to a pretty girl you'd just met. You started hitting it off -- things were going great. You took the conversation deeper and deeper -- getting to know her more and more. It felt like the two of you were bonding at this incredibly close level, and it kept getting closer. There was more and more magic... more and more chemistry... crazy amounts of electricity sparking in the air...
... then, suddenly, the spell was broken. It was like the two of you came up for air, then realized that you'd emerged back up at the surface and couldn't get back down to where you were before.
It was as if you'd awakened from a dream.
Then, try as you might, you couldn't get back into that dream again... and both of you knew it. The interaction with this girl -- this girl you'd been bonding and connecting with so deeply mere minutes before -- ended soon after.
It became too awkward to continue once it'd returned to that surface level of shallow conversation and superficiality, and she uncomfortably excused herself, telling you she had to go find her friends or that it was time for her to head home.
But you were close -- you knew you were. There was so much intensity between the two of you, until it just... evaporated.