Michelle Obama is a doting mum to two daughters and has worked hard to ensure that they were shielded from the spotlight during their dad's time as President of the United States.MORE: Michelle Obama reveals daughter Sasha's unique living situationNow that Malia and Sasha are older, Michelle has been giving them lots of advice in the hope of helping them in the future.Speaking on a recent episode of The Michelle Obama Podcast, the 56-year-old spoke about a poignant piece of advice she gave Malia