QS. if you stay silent do you really think your wife will find that attractive? That some creep hits on HER and you say nothing? Do you think she will find that sexy?
I serioulsy doubt it...
Some people flirt and play fast with their commitments just to see what their spouse is made of...
Being bullied and not responding will make it worse. The pair may start up more serious matters against you in the future. You pretty much have to contact the CO and if you have any other ways you can go with this you need to.