family.
do not yell at him. believe me, it does not help. yelling at them will only push them away further and make them more stubborn since they know that after this scene it will be you, who will start doing the work. leave his things alone. he will gradually learn to do his own things, when he sees that no one does it for him. if you set things right for him, he will never change because he knows that you will surely complete whatever task he leaves undone.
relax with him when he does so. slowly but surely he will get up and initiate the work. try this especially before 