Any question answered...

^Would that not be your natural English reaction to being surrounded by so many Forruns, to give them all the finger?

Repressing that urge must have caused considerable strain, hence the pain.

True, Forruns do usually bring me out in a rash.

To be fair though, I was surprised and delighted with how much more considerate French drivers are around cyclists (including lorry drivers). I'm taking my bike to Spain in two weeks so i'm hoping they are the same...