What Have You Learned from the Oregairu Anime?

The Oregairui anime is a harem (anti-harem?) anime that has lots to teach us about Japan and life in general. What have you learned from the Oregairu anime?

My Teen Romantic Comedy SNAFU Complete Collection My Teen Romantic Comedy SNAFU Complete Collection contains anime episodes 1-13 of My Teen Romantic

My Teen Romantic Comedy - Snafu (Blu-ray), Sentai, Anime & Animation

My Teen Romantic Comedy SNAFU 10th Anniversary Figure Spotlight

Anime For Gamers - Game Informer

Anime Corner - It took a while, but we have finally

I Love You” can mean different things. [My Teen Romantic Comedy SNAFU Climax!] : r/anime

Oregairu Season 3 (My Teen Romantic Comedy SNAFU CLIMAX), Episode 12: This is Goodbye, Then – Beneath the Tangles

10 Times Hachiman Had No Idea What Was Going On In My Teen Romantic Comedy SNAFU

やはり俺の青春ラブコメはまちがっている。1 by Wataru Watari

Bonus content alert: My Teen Romantic Comedy SNAFU Climax game comes with OVA - Hindustan Times

Reviews: My Teen Romantic Comedy SNAFU - IMDb

Those Anime Reviews — Yahari Ore no Seishun Love Comedy wa

Yahari Ore no Seishun Lovecome wa Machigatte Iru. Kan: Dakara, Shishunki wa Owarazu ni, Seishun wa Tsuzuite Iku. - Anime - AniDB

Oregairu: Do You have the “Real Thing?”

MyAnimeList.net - Hachiman Hikigaya is MAL's #14 most popular character, but his appearance changed rather drastically between seasons due to a change in studio. Which design did you prefer?