Any kind of explanation is possible. Maybe one of their girlfriend's finished with them, maybe their friend back home got in a fight, maybe one of their parents is not very well. Who knows? Any of these things could affect somebody when they are of a young age.
Maybe they were out on the drink last night Or maybe they were just not that bothered about the doubles and wanted to get out of the place.
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Of all tyrannies a tyranny exercised for the good of its victim may be the most oppressive.... those who torment us for our own good will torment us without end for they do so with the approval of their own conscience