Thank you all for your replies. 99% of the time it doesn't bother me that much, but yesterday it just really got me riled.
I do feel very lucky to have DH and a couple of friends who are happy to listen about dd - I realise that isn't always the case for parents of gifted kids. Sometimes though I just kind of feel sadness and frustration at missing out on the 'normal' parenting experience (LOL - or what I romantically imagine that might be!)
Anyway, dd's humour and ideas and creativity all make up for it, but some days it would be nice to just blend in to the crowd.
