Silicone and latex are two completely different materials.-u/MajorHotLips

That I need time for myself. Like, it's not that I need time away from you. I just need time with me.-u/R0ttenHeimer

My eyes are insanely sensitive to light. Sunlight & fluorescent. LED, CFL, & incandescent above maybe 40 watts. Phones, computer screens, TVs.So I’m not wearing the sunglasses inside because I’m hungover or on drugs or trying to look super cool. I’m wearing them inside so I don’t think about gouging my eyes out every 3 minutes.-u/ghosts-go-boo

That the animals in my care are rescues, and that I did not inflict the injuries/illnesses they have on them.-u/LizardPossum

The difference between a debit card vs. a credit card. Yea I have to explain this to adults on a daily basis.-u/Ihavenogoodusername

If you require five years of experience, it isn't entry-level-u/SoFastMuchFurious

Surrounds and rears are 2 different speaker locations and neither of them go into the ceiling.-u/Anbucleric

Before I got my current job a month ago, I only had about 6 other interviews over the course of 5 months. At most of them, the recruiter would always be so confused about why I've lived in so many places and it was so annoying and weird. I was a military kid, my parents moved when I was in college and now I live in a completely different state from them because that's where my fiance ended up. I don't really understand why that's confusing. People move more often now than they ever have.-u/cihojuda

That I can produce quick work, or quality work. You can’t have both. Got sick of explaining this to the same people over and over… so I quit my job and got a better one.-u/AutoCAD_Bane

Red Green color blindness. Now when it comes up instead of playing the “what color is this?” game I have a picture on my phone that illustrates how different color visions see things.-u/firenamedgabe

That just because I don't talk to people, doesn't mean I'm lonely. I'm perfectly fine being alone with myself. Alone does not equal lonely.-u/Eh_Its_Ok_I_Guess

That you can be young and still have chronic illnesses/disabilities.-u/alexadb123

Yes, I can code, but no I can't fix your PC that won't turn on for some reason.-u/YARR1N

Why we need to stop planting exotic plant species.-u/TheCharles510

The difference between type 1 and type 2 diabetes. As a type 1 diabetic, I get asked this all the time or people confuse type 1 with type 2. They’re very different diseases.-u/Dumbledore27

That depression and anxiety take a toll on me more than people realize. I can’t do some things due to it and that’s that.-u/frostysushituna

Why I’m deaf. Or how I became deaf. Or having to repeatedly explain that using your mouth to communicate doesn’t work.-u/Wit-Hoid6674

Why we don't have kids.Whether or not we want kids is no one's business, and the fact that we're probably not able to is even less so.-u/candlecrusher

That being neat and organized, or being “germaphobic” does not equal having OCD.-u/SnickasTheRaccoon

Correlation is NOT causation!!!!!!!!!!!!!!!-u/LockDue9383

The logical fallacy of "denying the antecedent."(Basically, "if A then B" does not mean "if B then A" - it means "if not B then not A".)-u/Cyborg_Ninja_Cat

Let the water boil, THEN add spaghetti-u/Poorly-Drawn-Beagle

Introverted means that you get mentally exhausted around people, but energized when on your own. It DOES NOT mean that you are shy or socially anxious.-u/Scallywagstv2

That evolution is simply a change in allele frequency over time and that there is no “end goal”. So many people don’t understand the basic concept but choose not to believe it.-u/good_god_lemon1

Vaccines do not cause autism.-u/LaAndala