One of the girls said in a similar thread recently, any reply is encouragement.
I'd hate to be the regular you confided in though!
So agree with everyone here.
This type of client seems to be so common.
Am sure they must get a kick out of receiving any attention from a women.
So basically, as above "any reply is encouragement" and therefore we must do the opposite and block and ignore and never enter into any future communication.
I also found this with ex boyfriends - ignore completely and they will finally get bored.
Normal, nice guys will not put you through this madness!!!