Ah to hell with coming clean - it's not like any person would care one way or another, they have a million more important things to give a shit about. I think some of the other posts have misread that this is your fiance's family, rather than a mate's.
Just introduce him to some of your other reps.
And interestingly, folk know my watches are reps - but I don't tell them the price. And it's not because I think they'll be impressed by the 'savings', it's because I know they'll think I'm a total retard for spending that much on a fake watch.
Okay, you can all get back to your Dr Phil love-in now...