Everyone has goals they want to accomplish. But with busy schedules and work demands, it can sometimes feel like we let them slip away.The approach of 30 is the perfect time to be introspective and look at all the areas of your life you might want to tweak. So we asked the Business Insider UK office, as well as some friends and family, to send over the most damaging habits they managed to breakor are on their way to breakingbefore they hit the big 3-0.Scroll on for a comprehensive sort-your-life-out checklist of 50 damaging habits you should break by the time your 30th birthday rolls around.Rosie Fitzmaurice contributed to an earlier version of this article.SEE ALSO:Relationship experts say these are the 9 signs the person you're dating is right for you ' and some are surprisingly simpleLiving for the weekends.The best way to stop doing this is to plan constructive things into your weekday evenings, according to Harry, associate distribution editor at BI UK.Megan, office manager and HR coordinator at BI UK, added, "Get a proper hobby. It's good to do something outside of work and socialising with friends... especially not involving a computer."Whether it's signing up to your local book club or taking a dip in the lido, factoring in some me time after work can be extremely satisfying.Supporting fast fashion."Before turning 30 I made a decision to stop buying items that support fast fashion,"Laura, an operations officer from London, told Business Insider. "That means no Zara! I have already given up on H&M and Primark. They say that most items are worn just seven times, so my goal is to buy things you will wear many times even if it costs more."Thinking social smoking is 'OK.'Paul, who is in recruitment from London, said social smoking was his biggest vice to quit before he turned 30.Most people who consider themselves social smokerscutthemselves some slack because they dont smoke every day, or they "only smoke when they drink."But government guidelines suggest that if you smoke at all, you're at higher riskof heart disease and cancer than those who dont, not to mention unwanted short term effects like bad breath, ageing skin, and the money you're wasting.See the rest of the story at Business Insider Click here to read full news..