Let’s face it – when doomsday rolls around, your first priority is going to be compulsively trying to fix all of your minor imperfections. If you can’t fit into a size 4, it’s going to be hard fleeing from roving gangs of armed looters with your fat ass bouncing everywhere. And how else are you supposed to vie for the smoldering hottie (not the one who’s literally burning to death in hellfire!) – who may very well be the last man on earth? Here are some tricks for surviving the extermination of humanity that’ll guarantee your safety AND sex appeal. “The Second Coming” Heavy breathing (through a gas mask) will definitely be in order when you try this steamy move. Get on all fours,…