That actually poses an interesting question... If you did go on a dinner date and a friend came over, how long could an escort manage the question before he would suspect. Obviously it depends on the escort (experience, dress, language, age difference etc)
What would give the game away ?
How would you say you met ? Internet dating site ?
my friend is with a hot polish girl they met at work in a factory hes not the most handsome guy so its possible
id rather go alone,it sounds a bit desperate,im sure many lads turn up at reunions with no wife or girlfriend,separated etc..they should just accept you whatever the situation and if they dont,tell them to get fucked