"my friend with 3 boys told me recently that she and other mums of boys thought mothers of girls weren't really experiencing parenthood!"
Blimey Fennel - did you keep your reply clean?
As a mum of a boy and a girl I can only offer my personal experience that my dd is harder than ds. She is obstructive, argumentative, pig headed etc (chip off the old block) whereas ds is very easy going, but perhaps more 'physical'. That sounded very negative about dd - love her to bits really (she has many strong points too!)