Headache
"My boyfriend never farted in front of me for the first six months", she said.
"Oh yes," I said, interested.
"He used to go out of the room."
"That was jolly decent of him." I remarked.
"Now he does it all the time," she added.
"Its good that he feels comfortable", I mused.
"Yes,," she agreed, "But sometimes I get a headache."
"What - from the noise?"
"No - from the smell..."