“Hot laboratory glass looks exactly like cold laboratory glass.”
Here are some of the most-upvoted responses:
1.
“That NEARLY incapable of getting pregnant does NOT equal incapable of getting pregnant.”

u/Hashashin455
“This guy took the question literally.”
u/awesome9001
2.
“That your employer is not your friend.

Nothing that isn’t a signed contract has any relevance.
Never trust the spoken word, even with witnesses.”
u/Sodiac606
u/tiny_tims_legs
3.

“Just because someone is friendly to you, it doesn’t mean they are your friend.”
u/hotdadtimemachine
4.
“‘Hahaha its just a chicken, whats it gonna do?’

Its gonna physically injure and humiliate you.
Thats what it did, LOL.”
u/FartAttack911
5.

“That hot laboratory glass looks exactly like cold laboratory glass.”
u/Rocknocker
“That was one thing they showed us right at the start of university.
‘Errr…’ ‘Exactly.'”

u/AaronCorr
6.
“Railroad tracks are not a playground.
my left foot.”

My foot got caught in the rails.
Despite our best efforts my foot and a bit of my ankle exploded off on contact.
I got airlifted to a hospital where I got treatment and I have been living with a prosthesis since.
I am 19 now so Its kinda normal to me."
u/Ryand118
7.
“If you drink untreated water, you’re able to get giardia.”
u/counterfitster
8.
Wear a f*cking helmet."
u/AstrudsSecretLover
9.
“That shower pouffes and towels with loose strings are not piercing-friendly.”
u/PIB_48
“My everything just flinched.”
u/MyourTastefulNdes
10. u/PuzzledFortune
11.
“That not all dogs are friendly.”
u/!ownCows
12.
“Those car cigarette lighters that glow red ARE hot.
Dad wasn’t lying to me.
Lost my thumb print for a week or two on that one.”
u/pilecrap
13.
You shouldn’t need to put your life on hold for them.
Live in the here and now, and the right person will hopefully find you one day."
u/TedStixon
14.
It DOES matter."
u/The_AmyrlinSeat
15.
“Dont have sex with your friends unless youre prepared to lose them entirely.”
u/andshedanced
16.
Youre probably gonna break something or hurt yourself."
Not all at once."
u/mtgkajhit
17.
Turns out that one day it will be too late.
you’ve got the option to’t grasp how much the realisation hurts until it happens."
u/Tonyant42
18.
“You might not know it, but you really like your knees.”
u/myanusisbleeding101
19.
“If you turn 18 in jail, they can transfer you to the adult side at midnight.
They may or may not sing Happy Birthday sarcastically.”
u/Important_Koala_9647
Shout out tou/Sufficient_Pay2346andr/AskRedditfor having this discussion.
Note: Submissions have been edited for length and/or clarity.