We go to school to learn about how the world works. Unfortunately, some lessons we can learn only the hard way – by experiencing them firsthand. Then, at the end of our lives, we can only regret the things we did or didn't do.

In 2011, researchers at Northwestern University's Kellogg School of Management asked people about their biggest regrets, and most adults talked about their love lives. Other areas where people wished they had learned crucial life lessons earlier were family interactions, education, careers, finances, and parenting, respectively.

Bored Panda has gathered some advice from two online threads where people shared the things they now wish they had known earlier in life. Some focused on health, and others on relationships, but most agree – these are the things most of us

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