After reading all the replies I've thought again and now I think normally I would let him use the toilet.
But if I or anyone in the house is 'shielding' or whatever it's called I would say no, sorry and give the reason. Also as Lemon said, it depends whether you've known the postie for a long time. Ours is very good, though there have been regular replacements recently.
Do you have any favourite relaxing TV series or films?
Trump is eyeing up Mali as his next war zone
What medical conditions seem more common now than when you were growing up?


Nice! 
