What is something that sounds safe but actually isn't?
I'll start: marriage.

[+] 1 user Likes thundereder9t8y's post
Some people don’t realize that mold in a moldy piece of bread spreads through the whole piece/loaf and think you can just remove the molded part and be fine. It’s only dangerous if you have a penicillin allergy but still something to keep in mind if you think it’s gross, which I do lol.

[+] 1 user Likes MillardonJohnson's post

55 miles per hour, the dumbest "safety" campaign of the latter half of the 20th century.

"Vaccine" is the next one in mind.

masturbation all day everyday

Being "just friends" with a member of the opposite sex