• Perel writes that desire requires a leaping over a space between two people and the uncertainty with that.
• There is a paradox because desire is to want to be close to the other but if a full merging happens, the space is closed and so is the unpredictability that desire needs to flourish.
• Some long distance relationships are ironically powered by the distance. The longing creates energy of its own that may dissipate when the couple are reunited for good.

Further reading:

• Mating In Captivity