Firstly I have absolutely no objection at all and didn't mean to be offensive either - so I apologise if I came across like that.
And maybe I should have given the reason for my curiousity in my OP.
I have an ex aupair here at the moment on holidays with her best friend who has stayed with us numerous times in the past. They are very affectionate towards each other and in the past I thought it was a case of best friends missing each other but I think it is a bit more than that.
They make a cute couple and if they are then I would have never have guessed it until now and it just got me thinking and as Chamaleon said as long as someone wasn't in your face about it then I wouldn't have any objections.