From 9 in the morning til 6 in the evening, several times a minute my colleague coughs/clears his throat. It's sort of a vocal 'hah-hah-hum' type of thing as opposed to a regular cough. He sits opposite me (with computer monitors in between) so he's about 5 feet away and doesn't cover his mouth, so I hear it loud and clear every time and it's starting to give me stabby rage. I've only been here two weeks 