You do it. Your mom, dad, siblings and friends probably do too. World leaders and entertainers do it—though some better than others. Your friend did it on her vacation last week and you gave her a thumbs-up.
You do it. Your mom, dad, siblings and friends probably do too. World leaders and entertainers do it—though some better than others. Your friend did it on her vacation last week and you gave her a thumbs-up.