A personal theory of mine is that all relationships are phases we go through. Though not all phases are equal — some are more memorable than others. To Kimberly (Emmy Rossum) and Dell (Justin Long) in “Comet,” their relationship was a long, incredibly eventful phase that neither of them ever really outgrew, even if at many points they called it quits to go their separate ways.
“Comet” is a love story from first-time director Sam Esmail — and somewhere in a parallel universe, a 25-year-old Woody Allen is kicking himself for not making this first. Speaking of which, “Comet” is set in a parallel universe (the very concept is so 20th-century), beginning with a meteor shower and jumping back and forth over a six-year period. Senseless, confusing and ridiculously romantic, this is the kind of movie that makes you sigh with nostalgia for an era when love stories mostly featured young people in cheap clothes instead of well-groomed over-40 urbanites squabbling about money and marriage.