If I told you, you wouldn't believe me

So, I go to the mobile phone shop because my mobile is on the blink. The very friendly Assistant smiles, takes me to the seated area and says (as he has no doubt been trained to do) 'So, what have you been up to today?'

I am silent for a bit ... shall I tell him? 

'If I told you, you would n't believe me.' I reply.

'Try me,' he says.

'Well, I have been barefoot in the woods doing a promotional shoot for my new online business, wearing a pair of adult sized, feathered angel wings,' says I.

And from the look on his face, I don't think they covered my reply on his training course.