I met someone yesterday who wanted to share both a cake and a piece of fruit with me, there was no knife, she just wanted me to pick bits off for myself.
I had met her about 30 minutes prior to that. The gesture was kind and generous but I wasn't comfortable with that, I'd do if with a partner but not essentially a stranger. I politely declined, she seemed quite surprised and I guess it's more common in their culture (she wasn't from the UK). Would you do it?