The heartbroken girlfriend of a Gold Coast teenager who drowned on Saturday has shared one of the final intimate moments the couple had together . Tarsha Wild , 18 , posted a text message sent by her boyfriend Sam Brown , 19 , before his tragic death . ' I 'll talk to you a bit later I love you so so much forever and ever and I miss you heaps and heaps ! ! ! ' Mr Brown said , in a message Ms Wild posted online . Scroll down for video . Sam Brown , 19 , and Tarsha Wild , 18 , had been together for three years before his tragic death in a free diving accident on Saturday . Ms Wild said she was 'overwhelmed ' by Mr Brown 's death , and he was 'the love of ( her ) life ' Ms Wild said she was 'grateful for all the amazing memories ' she shared with Mr Brown . The screenshot was accompanied by the caption from Ms Wild : ' I 'm trying to be strong baby I promise but right now I wish you could just tell me that everything is going to be alright and that this is all some sort of bad dream ; I miss you and love you babe . ' She earlier told Daily Mail Australia she was 'overwhelmed ' by 'the love of her life and best friend 's ' death . Ms Wild said the last time they spoke was at 1am on Saturday morning when Mr Brown left home . Mr Brown died while free diving north of Moreton Island with some friends . They were competing with each other to see who could dive the deepest , when he passed out while about 15m underwater , according to reports . The heartbreaking message Mr Brown sent Ms Wild , which she posted online on Monday morning . Friends raced down more than 30 metres to recover their mate and attempted to resuscitate Mr Brown . He could not be revived . The desperate rescue attempt was captured on GoPro cameras the friends were all wearing . Water Police Sergeant Shaun Harrison said his friends pushed through normal human limits to rescue their mate . 'They 've managed through some actions of their own ... to grab him and bring him back to the surface , ' Sgt Harrison said . Chad Collins , one of the friends with Mr Brown , said his 'best mate ' was 'born to swim in the ocean ' . '18 months ago he wanted a new challenge so we went and bought a speargun off Gumtree and took up freediving , ' Chad told the Gold Coast Bulletin . Chad Collins , one of the friends with Mr Brown , said his 'best mate ' was 'born to swim in the ocean ' Mr Brown 's devastated mother Maree Hutton said her 'adventurous and perfect ' boy died doing what made he happy . 'He died very peacefully . He was very relaxed . There was no pain and he was very much at ease . It helps me knowing that he did n't feel pain . ' Mr Brown 's devastated mother Maree Hutton said her 'adventurous and perfect ' boy died doing what made he happy . ' I just want people to know that my son died doing what he loved and he would want us to celebrate everything he loved . ' Professional free diver and Apnea International Founder Erez Beautus , said the tragedy was a painful reminder for all divers to have a 'safety buddy ' in the water . 'Just exactly for this case , for this scenario , so if something goes wrong , your buddy can be watching you all the time , ' Mr Beautus said . 'If we dive a little bit deeper - deeper than 10 metres - the sole responsibility of the safety diver is to take care of his buddy at that moment in time . ' He also said the accident was 'tragic but preventable ' .
Gold Coast teenager Sam Brown died after fainting while free diving . Friends saw him drown while spearfishing north of Moreton Island . Sunk 30m to ocean floor before friends dived down to rescue him . Heartbroken girlfriend grieving for 'love of her life and best friend ' Family says 19-year-old Brown was 'adventurous and perfect '