Thank you all, I am sat in a simple tee and a pair of jeans, getting ready to go and visit my daughter at her mums with my son for a couple of days while they are off school. (I will change to the male equivalent in an hour or so)
It is not my children so much as how it will affect them that I worry about. I don't want hem to get eased or bullied and unfortunately just moving to a new town is enough for some kids let alone this used to be my dad but now he's my mum... Though as they become teenagers it will actually become a little easier as they will have a better understanding that gender is not as binary as primary school taught it to be.