Delusions of Grandeur

Of all my current colleagues, the one I will be happiest to see the back of is the one who grasps every opportunity to be rude about the mother of his children. He was slagging her off again this morning and so I said “Just shut up!” at a level that was lower than his hearing.
The woman who sits across from me said “Rude!” so I asked if she was referring to me or the misogynist.
Me apparently.
I explained that the relentless blah from that guy sucked all possible joy from my day, but my opinion has no value.
Just 20 work days remaining.