People Are Tweeting The Dumbest Things They Believed About Life At 18

"I thought I should get the senior discount because I was a senior in high school."

With age comes great wisdom ― but that age is not 18.

On Thursday, people on Twitter shared some of the most hilariously misguided beliefs they held as high schoolers using the hashtag #WhatIThoughtWhenIWas18. Below, we’ve gathered up 28 of the funniest.

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28

Before You Go

LOADINGERROR LOADING

Popular in the Community

Close

HuffPost Shopping’s Best Finds

MORE IN LIFE