If your partner, spouse, neighbour, parents, siblings, friends or the bloke three doors down seems intent on ruining something that is very important to you and/or is hell bent upon making themselves out to be the injured party, you will be told that 'you sound like hard work'. If it's somebody else's special day/thing instead, they're in the wrong and you should tell them to fuck off. Or you need to confront them on Facebook.
Never admit that you don't like drinking much. Or biscuits. Or chocolate.
Nobody ever buys clothes from Primark and at a push, M&S, they're always far, far more expensive than that. Same goes for makeup.
If you don't like the idea of your child or spouse systematically emptying your kitchen of everything you've budgeted for in terms of food for the month, so have told them to ask first, you're controlling a natural need not to starve to death and you're obviously abusive if you expect them to exist on less than seven meals a day plus snacks or solely on Haribo and pringles.
Your cat is always stressed and needs its own personal bedroom suite/wing of the house and fifteen gold plated litter trays - to expect them to make do with sleeping on the settee/chair/top of the wardrobe/under the bed/on the bed/any clean piles of unattended washing/in the linen basket/the windowsill/in the spare room, a single litter tray in the bathroom and an entire back garden to crap in is tantamount to neglect and the RSPCA will be coming for you if you don't rehome it now.
If you use normal (or ecofriendly) cleaning products, you're a clean freak and solely responsible for antibiotic resistance, allergies, asthma, global warming and the end of the world as we know it. And if you use reasonable amounts of hot, soapy water and the occasional squirt of something more on a daily basis, you're either a clean freak or a slattern.
If your partner tries to instigate sex by daring to touch you instead of formally asking a week in advance in writing, they're a sexual predator. If he doesn't do exactly half of the childcare or housework because he's out of the house earning the money to keep a roof over your head and food on the table for 60+ hours a week, he's lazy and you should leave him because he'll magically agree to take them for half the week, even though he's at work for most of it. And never, ever, let him get away with saying getting a part time job would really help pay the bills. Far better to work him to death.
If a teacher tells your kid off, they're always incompetent. If a teacher doesn't tell another kid off, they're always incompetent. And don't forget the unpaid six weeks in summer. Except when you're complaining about your own kids being annoying at home for six weeks, when it's perfectly reasonable to wish for some other poor sod to have to put up with them and thirty others for five days a week. Because it's easy.
But on the other hand, if you post because something truly awful has happened and you're hurting, alone and need to know that random people across the country and even the world care about somebody they don't know and in all probability never will, you'll get nothing but supportive comments, advice and access to opinions, caring comments and 
from the widest range of people anyone could ever wish to hear from.
Which is the strength of this place - whilst we'll argue until the cows come home (even if every baby has CMPA, so they should, by all rights, be redundant by now) about the day to day stuff of being human, when the chips are down (never chip shop or oven ones, by the way), we help. Just by being there when somebody is at their lowest.
People, huh?