Tries too hard at every turn: drives every joke into the ground, pointless movie references, and has an emotional epiphany that would be fine, if fairly trite, if the film didn’t seem to believe it was so revelatory it needed to take 40 minutes to hammer it home. With a bit of restraint it could have been an action movie Eternal Sunshine, but the genuine pathos of the early scenes gets swept aside pretty quickly in favour of spectacle and…