[Jack_]

Prostitutes aren't there to vet or enquire about each client's relationship or marital status, the onus is on the client themselves to not be unfaithful. Just because he's Wayne Rooney it makes no difference, he's still a customer just like everyone else. They're paid to do a job and that's that.

This is just like how people (usually women) who sleep with someone in a relationship get blamed more by the partner than their actual cheating spouse. It's ridiculous, if you're the one in a relationship it is your responsibility not to cheat. No one else's