"I say 'close' or 'open' lights instead of turn 'on' or 'off.' I never noticed it was wrong until someone pointed it out in high school." -Reddit user MCML
"People apparently start the shower before they get into it. A couple of years ago, I would stand there and just take the first burst of cold water until it warmed up … I started dating a girl who soon showed me the error of my ways.
Before that, it was just one of those habits that you don't really think about — you just do it." -Reddit user Lobsterpunch
"For my entire life, I assumed eating the muffin paper was normal. No one told me it wasn't edible… One day during a class trip, we had muffins for breakfast. My friend was clearing the table and asked me where my muffin wrapper was.
That's when it dawned on me. I was made fun of for the entire trip." -Reddit user Robowarrior123
"I thought silence was a gentle, high-pitched whine.
It took me 20 years to figure out that I have tinnitus." -Reddit user LastSecondAwesome
"I thought it was normal to pick things up off the floor with my toes.
I have always done this and had absolutely no idea that not everyone does this." - Reddit user Teapotfox
"I have this weird lump in the back of my skull … and I thought everybody had it until my boyfriend got really freaked out by it. He didn't have one, nor did any of my friends. So that's when I looked it up.
It's not a tumor, it's part of the skull. I guess it's some weird rare genetic trait from an isolated part of Turkey." - Reddit user st112570
"I'd always go downstairs on Christmas morning after opening all my presents in my parents' bedroom, and there would be an unflushed sh*t in the toilet, and every year my mum would be outraged that Santa didn't flush it.
Even used fake snow on boots to make it look like he walked in and sat down..." Reddit user KingBooScaresYou
"My dad never says thank you at the drive-thru, it's far too easy and predictable. Instead, he likes to make up words. It essentially amounts to him being handed his bag of food, they say "Have a nice day!", and he replies "ferderber" as he drives away.
Straight faced and no looking back. His other go-to word is "razzle". I didn't realize this was weird until I was around 16." -Reddit user tsievers
"When I lost my teeth, I put them in a jar of water in the kitchen window sill. When I woke up the next morning, my tooth would be gone, and there would be a dollar bill in the water. I would run outside, lay it in the sun and wait for it to dry.
Apparently, this wasn't normal tooth fairy shenanigans. It was a lot of fun, though." -Reddit user Duffle-muffin
"Celebrated our "half birthdays" exactly six months from our birthdays. Not a big celebration, just a small present and choosing dinner.
I had no idea how weird it was until I commented on it being my half birthday while at school and got weird looks." -Reddit user BOB0FETT
"Pee shivers. I thought everyone had them.
It turns out it is more like a quarter of everyone or something." -Reddit user Tolstoi78
"I see sound as pretty fireworks all the time.
I thought that the reason chalk on a blackboard made everyone in class cringe was because they were seeing the bright, blinding blue light it produced that I saw." -Reddit user josiesprx
"We have costume parties for EVERYTHING.
We recently all dressed up like cowboys because my mom was making chili." -Reddit user hulagirl4737
"In my country, the electricity cuts off multiple times/day, and you cant use a lot of things at once like a microwave and a washing machine at the same time, or it will cut off even more, and I didn't know this was not normal until I saw people freaking out in movies when there was a "Power outage." -Reddit user AJMcFly
"Sleeping butt-naked almost every night. I didn't know that was abnormal until an AskReddit thread a few weeks back, and then I asked some of my friends.
Had no idea that most people wear clothing while they're sleeping, every single night." -Reddit user margar3t