When Sophie tells Mark that she and Jeff are moving in together, she tells him that Jeff wants her to spend less time with him. In a bid to get past this he tries to become friends with Jeff, but Jeremy ends up getting on with Jeff much better than he does. However, Mark gets Jeremy to reveal information about Jeff talking to other women and uses it to ruin his relationship with Sophie. Written by
Did You Know?
When Jeremy and Jeff go to the pub, an establishing shot of The Oval Tavern is shown (which features in 2 other episodes in this series) but a different pub is used for the interior. See more
So basically, Man is programed to do two things - kill and nob. In the Stone Age, you'd get up, kill an antelope...
And nob the corpse.