@lottapianos - very funny. Couldn't stop laughing at your drinking line!
I realised I have lots of things that really irritate me. Huge list coming up:
Colleague slurping his tea 3-4 times a day – let it cool the hell down! This really grates on me so much sometimes I imagine shoving that cup of tea down his throat 
Other colleague popping his tablets out of the blister packs. Every.Single.Day! Making a real meal of it!
People talking really loud on the phone in the office about their private lives. I’m really not interested your boiler insurance has expired!
Husband crunching loudly on peanuts! Drives me mental.
Also, when he really enjoys his dinner at home he licks his plate! WTAF?! Thank God he’s only doing it when it’s just the two of us. I still want to smash that plate over his head.
Rewinding something on tv a million times as he just “tuned out”. 5 times, really? Just play the bloody thing!!! 
The duvet issue – I thought I sorted it out by buying a king size for a double cover (I kept on thinking the duvet was shrinking!!). Still does the same thing! Now I have a bunched up duvet all over the place.
And related to bedlinen, my husband manages to get the bed sheet off the bed every single night! Drives me absolutely insane! 
Husband hiccupping really loud that scares me. Then he laughs. Why? There really is no need!
People pulling out on you like their life depends on it then slowing down to a crawl! Surely you could’ve waited 30 more seconds!!
People hovering over my shoulder when I’m cooking. Apparently they’re helping me!!!
Seems like I have a real problem with noises and I’m quite easy to irritate .