Lyric discussion by missile 

Cover art for 50 Minutes lyrics by Robots in Disguise

50 minutes - how long they have sex for. 52 weeks - just a length of time in a year. 4 years - how long the relationship lasted.

i think this song is about the passion at the start of a relationship, the sex and the madness, and then how they just get bored of eachother towards the end, and can't stand to be in eachothers company. then they just feel bad, because nearly everyone does when a relationship ends.