10.000 Km

... as far as movies dealing with long distance relationships go 10k KM should be considered as one of the better ones... out-of-sight out-of-mind is much to contend with... being unfaithful to one's partner made easier when you can drift apart, not having to go back and see the other person regularly... can you fall out of love with someone.. sure... can you fall back-in-love again, sure

... he tells her to go out and experience the city, make new friends, have shared experiences... actually he's really saying she must let go of him, so what could he expect, he's not going to live there, she's not returning back, at least for now or soon

... it's not that they no longer have anything in common, just that they no longer have the intimate bond of physical-intimacy helping-keeping them together... that hands-on-contact we all crave-need-regularly.