DH and I work together know and he's began to be very excited whilst I'm at work! Wanting to head off at lunch time for a quick fumble which was all fine. We have our own business and loo facilities but DH decided before we left to use the bathroom against the wall and just giggled it 
no cleaning involved, which for me was a total turn off. I resulted saying I wasn't in the mood, he seemed a bit annoyed, but I have already had this discussion before.
Am I being ott?