We all struggle with thoughts of 'what might have been' or 'if I'd known then what I know now' at times in our lives. Apparently, lots of other people do as well, as #WhatIdTell18YearOldMe is a popular topic on Twitter right now.

There are many things I'd tell my 18 - year old self, but the biggest one is: 'don't settle for doing what you can do. Do what you do best.'

Click the hashtag link above to read what other people are saying they'd tell their past selves and let us know what you would tell your 18 - year old self on our Twitter feed or on Facebook!

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