You just have to laugh at the people who can't stand being overtaken (If I didn't laugh about it I'd probably be in a lot of trouble lol). It can get annoying though, especially when you overtake, pull back in the left lane, then the car you've just overtaken decides to speed up and does the same to you. This car then slows back down, so we then have to go through the same thing yet again!
Had one yesterday, coming off the dual carriageway onto a roundabout. There are two lanes taking me into the turn off, so I go for the right lane as I need to be in that lane further down the road. So this tit in his mums civic (1.6 SE) comes racing up my arse going round the roundabout (I'm not going slow). So we get to the turn off with him nearly in my boot and there are a few cars ahead in both lanes, he darts into the inside lane, revving to the extreme (V-tec was kicking in yo!) and goes up the arse of the other car, making sure he was a couple of inches in front of me. An apparent victory for him over me as I look across seeing his reaction lol I just had to laugh at him needing to get in front of me.